Cita APA (7a ed.)

Schulz, G. E., & Schirmer, R. H. (1979). Principles of protein structure. Springer.

Cita Chicago Style (17a ed.)

Schulz, G. E., y R. H. Schirmer. Principles of Protein Structure. New York: Springer, 1979.

Cita MLA (9a ed.)

Schulz, G. E., y R. H. Schirmer. Principles of Protein Structure. Springer, 1979.