APA (7e ed.) Bronvermelding

Cornwall, I., & Illustrations by Howard, M. M. (1968). Prehistoric animals and their hunters. Faber and Faber.

Chicago (17e ed.) Bronvermelding

Cornwall, I.W, en M. M. Illustrations by Howard. Prehistoric Animals and Their Hunters. London: Faber and Faber, 1968.

MLA (9e ed.) Bronvermelding

Cornwall, I.W, en M. M. Illustrations by Howard. Prehistoric Animals and Their Hunters. Faber and Faber, 1968.