This template gives the references for the data provided by {{Period start}} and related templates.

Usage

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  • {{Period start ref|period name}} outputs a <ref> tag with the reference.
  • {{Period start ref|period name|noref}} outputs a bare text of the reference without enclosing it in a <ref> tag.

Examples

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  • {{Period start ref|Cretaceous}}[1]
  1. ^ Cohen, K.M.; Finney, S.C.; Gibbard, P.L.; Fan, J.-X. "International Chronostratographic Chart v 2020/01" (PDF). Stratigraphy.org. International Commission on Stratigraphy. Retrieved 22 March 2020.