APA (7th ed.) Citation

Holcenberg, J. S., & Roberts, J. (1981). Enzymes as drugs. John Wiley.

Chicago Style (17th ed.) Citation

Holcenberg, John S., and Joséph Roberts. Enzymes as Drugs. New York: John Wiley, 1981.

MLA (9th ed.) Citation

Holcenberg, John S., and Joséph Roberts. Enzymes as Drugs. John Wiley, 1981.

Warning: These citations may not always be 100% accurate.