APA (7e ed.) Bronvermelding

Não informado. (1967). Herpetology. Southwestern Herpetologist Society.

Chicago (17e ed.) Bronvermelding

Não informado. Herpetology. Van Nuys, Calif: Southwestern Herpetologist Society, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Herpetology. Southwestern Herpetologist Society, 1967.

Let op: Deze citaties zijn niet altijd 100% accuraat.