APA (7th ed.) Citation

Hems, D. A., & Chain, E. B. (1977). Biologically active substances--exploration and exploitation. Wiley.

Chicago Style (17th ed.) Citation

Hems, D. A., and Ernst Boris Chain. Biologically Active Substances--exploration and Exploitation. Chichester : New York: Wiley, 1977.

MLA (9th ed.) Citation

Hems, D. A., and Ernst Boris Chain. Biologically Active Substances--exploration and Exploitation. Wiley, 1977.