citation-style-language/styles — pull request #974 by aurimasv (2014-06-03 22:18:10+00:00)
Title: Double-space bibliography in Nature

... and related styles (verified via author guidelines for each)
See https://forums.zotero.org/discussion/37274/how-to-have-alter-citation-style-for-references/

Hopefully dependents don't have different requirements. I did not verify those.