APA (7th ed.) Citation

Sherwood, R. M., & Fraps, G. S. (1940). Requirements of chickens for vitamin A when fed as carotene. Texas Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Sherwood, R. M., and G. S. Fraps. Requirements of Chickens for Vitamin A When Fed as Carotene. College Station, Tex.: Texas Agricultural Experiment Station, 1940.

MLA (9th ed.) Citation

Sherwood, R. M., and G. S. Fraps. Requirements of Chickens for Vitamin A When Fed as Carotene. Texas Agricultural Experiment Station, 1940.