Cita APA (7a ed.)

Eckles, C. H., Combs, W. B., & Macy, H. (1951). Milk and milk products (4th edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Eckles, Clarence Henry, Willes Barnes Combs, y Harold Macy. Milk and Milk Products. 4th edition. New York: McGraw-Hill, 1951.

Cita MLA (8a ed.)

Eckles, Clarence Henry, et al. Milk and Milk Products. 4th edition. McGraw-Hill, 1951.