APA (7th ed.) Citation

Fruton, J. S., & Simmonds, S. (1961). Bioquímica general. Omega.

Chicago Style (17th ed.) Citation

Fruton, Joseph S., and Sofía Simmonds. Bioquímica General. Barcelona: Omega, 1961.

MLA (9th ed.) Citation

Fruton, Joseph S., and Sofía Simmonds. Bioquímica General. Omega, 1961.