APA (7th ed.) Zitazioa

Kelson, K. R. The Subspecies of the Mexican Red-Bellied Squirrel, Sciurus aureogaster.

Chicago Style (17th ed.) Zitazioa

Kelson, Keith R. The Subspecies of the Mexican Red-Bellied Squirrel, Sciurus Aureogaster.

MLA (9th ed.) Zitazioa

Kelson, Keith R. The Subspecies of the Mexican Red-Bellied Squirrel, Sciurus Aureogaster.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.