APA (7th ed.) Citation

Kalmus, H., & Crump, L. M. (1948). Genetics. Pelican Books.

Chicago Style (17th ed.) Citation

Kalmus, Hans, and Lettice M. Crump. Genetics. Middlesex, England: Pelican Books, 1948.

MLA (9th ed.) Citation

Kalmus, Hans, and Lettice M. Crump. Genetics. Pelican Books, 1948.