Cita APA (7a ed.)

Smock, R. M., & Newbert, A. (1950). Apples and apple products. Interscience publ.

Cita Chicago Style (17a ed.)

Smock, R. M., y A.M Newbert. Apples and Apple Products. New York: Interscience publ, 1950.

Cita MLA (8a ed.)

Smock, R. M., y A.M Newbert. Apples and Apple Products. Interscience publ, 1950.