APA (7th ed.) Citation

Gutman, J., Gutman, A. B., & Howard, M. E. (1963). Modern drug encyclopedia and therapeutic index. Reuben H. Donnelley.

Chicago Style (17th ed.) Citation

Gutman, Jacob, Alexander Benjamin Gutman, and Marion Edith Howard. Modern Drug Encyclopedia and Therapeutic Index. New York: Reuben H. Donnelley, 1963.

MLA (9th ed.) Citation

Gutman, Jacob, et al. Modern Drug Encyclopedia and Therapeutic Index. Reuben H. Donnelley, 1963.