Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Eddy, Walter Hollis. What Are the Vitamins? New York, N.Y.: Reinhold Publishing Corporation, 1941.

Cita MLA (8a ed.)

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