Cita APA (7th ed.)

Porter, J. W. G., & Rolls, B. A. (1973). Protein in human nutrition. Academic Press.

Cita Chicago (17th ed.)

Porter, J. W. G., i B. A. Rolls. Protein in Human Nutrition. Londres: Academic Press, 1973.

Cita MLA (9th ed.)

Porter, J. W. G., i B. A. Rolls. Protein in Human Nutrition. Academic Press, 1973.