APA (7th ed.) Citation

Goodrum, P. D. (1940). A population study of the gray squirrel in eastern Texas. Texas Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Goodrum, Phil D. A Population Study of the Gray Squirrel in Eastern Texas. College Station, Tex.: Texas Agricultural Experiment Station, 1940.

MLA (8th ed.) Citation

Goodrum, Phil D. A Population Study of the Gray Squirrel in Eastern Texas. Texas Agricultural Experiment Station, 1940.