APA (7e ed.) Bronvermelding

Rugh, R. (1951). The Frog: Its reproduction and development. McGraw-Hill Book Co., Inc.

Chicago (17e ed.) Bronvermelding

Rugh, Roberts. The Frog: Its Reproduction and Development. New Delhi: McGraw-Hill Book Co., Inc, 1951.

MLA (9e ed.) Bronvermelding

Rugh, Roberts. The Frog: Its Reproduction and Development. McGraw-Hill Book Co., Inc, 1951.