Cita APA (7a ed.)

Altschul, A. M., & Wilcke, H. L. (1981). New protein foods. Academic Press.

Cita Chicago Style (17a ed.)

Altschul, Aaron M., y Harold L. Wilcke. New Protein Foods. New York ; London: Academic Press, 1981.

Cita MLA (8a ed.)

Altschul, Aaron M., y Harold L. Wilcke. New Protein Foods. Academic Press, 1981.