APA (7th ed.) Citation

Espe, D. L. (1941). Secretion of milk. The Iowa state college press.

Chicago Style (17th ed.) Citation

Espe, Dwight Leonard. Secretion of Milk. Ames, Ia: The Iowa state college press, 1941.

MLA (9th ed.) Citation

Espe, Dwight Leonard. Secretion of Milk. The Iowa state college press, 1941.