APA Citatie

Harmer, S. F. (1968). Cambridge natural history, Vol.8: Amphibia and reptiles.

Chicago Style citaat

Harmer, S F. Cambridge Natural History, Vol.8: Amphibia and Reptiles. Today & Tomorrows Book Agency, New Delhi, 1968.

MLA citatie

Harmer, S F. Cambridge Natural History, Vol.8: Amphibia and Reptiles. 1968.