APA (7th ed.) Citation

Chasin, M., & Langer, R. S. (1990). Biodegradable polymers as drug delivery systems. M. Dekker.

Chicago Style (17th ed.) Citation

Chasin, Mark, and Robert S. Langer. Biodegradable Polymers as Drug Delivery Systems. New York: M. Dekker, 1990.

MLA (9th ed.) Citation

Chasin, Mark, and Robert S. Langer. Biodegradable Polymers as Drug Delivery Systems. M. Dekker, 1990.