APA (7th ed.) Citation

Spillman, W. J. (1918). Farm science: A foundation textbook on agriculture. World Book Co..

Chicago Style (17th ed.) Citation

Spillman, William Jasper. Farm Science: A Foundation Textbook on Agriculture. Yonkers-on-Hudson, N. Y.: World Book Co., 1918.

MLA (9th ed.) Citation

Spillman, William Jasper. Farm Science: A Foundation Textbook on Agriculture. World Book Co., 1918.