Cita APA

Combs, W. B., Eckles, C. H., & Macy, H. (1951). Milk and Milk products (4.). Mc Graw- Hill Book Company Inc.

Citación estilo Chicago

Combs, Willes Barnes, Clarence Henry Eckles, y Harold Macy. Milk and Milk Products. 4. London: Mc Graw- Hill Book Company Inc, 1951.

Cita MLA

Combs, Willes Barnes, et al. Milk and Milk Products. 4. Mc Graw- Hill Book Company Inc, 1951.