APA (7. basım) Alıntı

Underwood, G. (1967). A contribution to the classification of snakes. British Museum (Natural History).

Chicago Style (17. basım) Atıf

Underwood, Garth. A Contribution to the Classification of Snakes. London: British Museum (Natural History), 1967.

MLA (8th ed.) Atıf

Underwood, Garth. A Contribution to the Classification of Snakes. British Museum (Natural History), 1967.