APA aipamena

COTTLER, J. (1966). Alfred Wallace: Explorer - naturalist. Little, Brown.

Chicago Style aipamena

COTTLER, Joseph. Alfred Wallace: Explorer - Naturalist. Little, Brown, 1966.

MLA aipamena

COTTLER, Joseph. Alfred Wallace: Explorer - Naturalist. Little, Brown, 1966.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.