citation-style-language/styles — pull request #1048 by serpodrick (2014-08-04 19:04:44+00:00)
Title: Label for prefix should never be plural (8th ed., 29.3.6.9).

According to the 8th edition of CSE (29.3.6.9), "pages" should be abbreviated as "p.", not "pp.". council-of-science-editors-author-date.csl already does this.

This replaces pull request #1045.