APA (7th ed.) Citation

Woll, F. W., & Humphrey, G. C. (1911). Studies of the protein requirements of dairy cows.

Chicago Style (17th ed.) Citation

Woll, Fritz Wilhelm, and G. C. Humphrey. Studies of the Protein Requirements of Dairy Cows. Madison, Wis, 1911.

MLA (9th ed.) Citation

Woll, Fritz Wilhelm, and G. C. Humphrey. Studies of the Protein Requirements of Dairy Cows. 1911.