APA (7th ed.) Citation

Eddy, W. H. (1941). What are the vitamins? Reinhold.

Chicago Style (17th ed.) Citation

Eddy, Walter Hollis. What Are the Vitamins? New York: Reinhold, 1941.

MLA (9th ed.) Citation

Eddy, Walter Hollis. What Are the Vitamins? Reinhold, 1941.

Warning: These citations may not always be 100% accurate.