APA aipamena

Smith, E. N., & Noonan, B. P. (2001). A new species of Osteocephalus (Anura: Hylidae) from Guyana.

Chicago Style aipamena

Smith, Eric N., y Brice P. Noonan. A New Species of Osteocephalus (Anura: Hylidae) From Guyana. 2001.

MLA aipamena

Smith, Eric N., y Brice P. Noonan. A New Species of Osteocephalus (Anura: Hylidae) From Guyana. 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.