Template:Citation Style documentation/registration

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Template:TrackedCitations of online sources that require registration or a subscription are acceptable in Wikipedia as documented in Verifiability § Access to sources. As a courtesy to readers and other editors, editors should signal the access restrictions of the external links included in a citation. Template:Lang: access icons do not display correctly for editors who use Modern skin.

Four access levels can be used:

As there are often multiple external links with different access levels in the same citation, these values are attributed to a particular external link.

Access indicators for url-holding parameters[edit source]

Sources linked by Template:Para, Template:Para, Template:Para, Template:Para, and Template:Para are presumed to be free-to-read. When they are not free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these url-holding parameters are presumed to be free-to-read, they may not be marked as free.

url-holding and access-indicator parameters
url access allowed keywords
Template:Para Template:Para registration Free registration required
limited Free access subject to limited trial, subscription normally required
subscription Paid subscription required
Template:Para Template:Para
Template:Para Template:Para
Template:Para Template:ParaTemplate:If empty
Template:Para Template:Para
Template:Para Template:Para

Template:If emptyTemplate:Para not currently defined; use its alias Template:Para

Access indicator for named identifiers[edit source]

Links inserted by named identifiers are presumed to lie behind a paywall or registration barrier – exceptions listed below. When they are free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these named-identifier parameters are not presumed to be free-to-read, they may not be marked as limited, registration, or subscription.

named-identifier and access-indicator parameters
identifier access allowed keywords
Template:Para Template:Para free Freely accessible
Template:Para Template:Para
Template:Para Template:ParaTemplate:If empty
Template:Para Template:Para
Template:Para Template:Para
Template:Para Template:Para

Some named-identifiers are always free-to-read. For those named-identifiers there are no access-indicator parameters, the access level is automatically indicated by the template. These named identifiers are: