Citazione APA

Morrow, G., & Nicol, S. C. (2009). Cool Sex? Hibernation and Reproduction Overlap in the Echidna. Public Library of Science.

Stile di citazione Chicago

Morrow, Gemma, e Stewart C. Nicol. Cool Sex? Hibernation and Reproduction Overlap in the Echidna. Public Library of Science, 2009.

Citazione MLA

Morrow, Gemma, e Stewart C. Nicol. Cool Sex? Hibernation and Reproduction Overlap in the Echidna. Public Library of Science, 2009.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.