APA (7th ed.) Citation

Fraps, G. S. (1931). Variations in vitamin A and in chemical composition of corn. Texas Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Fraps, G. S. Variations in Vitamin A and in Chemical Composition of Corn. College Station, Tex.: Texas Agricultural Experiment Station, 1931.

MLA (9th ed.) Citation

Fraps, G. S. Variations in Vitamin A and in Chemical Composition of Corn. Texas Agricultural Experiment Station, 1931.