Cita APA (7th ed.)

Kopple, K. D. (1966). Peptides and amino acids. W. A. Benjamin.

Cita Chicago (17th ed.)

Kopple, Kenneth D. Peptides and Amino Acids. New York, USA: W. A. Benjamin, 1966.

Cita MLA (9th ed.)

Kopple, Kenneth D. Peptides and Amino Acids. W. A. Benjamin, 1966.