APA aipamena

Wissler, C. (1941). North American. American Museum of Natural History.

Chicago Style aipamena

Wissler, Clark. North American. Nueva York: American Museum of Natural History, 1941.

MLA aipamena

Wissler, Clark. North American. American Museum of Natural History, 1941.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.