APA (7th ed.) Citation

Ernst, W., Mohler, J. R., & Eichhorn, A. (1914). Text book of milk hygiene. A. Eger.

Chicago Style (17th ed.) Citation

Ernst, Wilhelm, John R. Mohler, and Adolph Eichhorn. Text Book of Milk Hygiene. Chicago: A. Eger, 1914.

MLA (9th ed.) Citation

Ernst, Wilhelm, et al. Text Book of Milk Hygiene. A. Eger, 1914.