APA (7th ed.) Citation

aBerkow, R., Beers, M. H., & Fletcher, A. J. (1997). The Merck manual of medical information. Merck Research Laboratories.

Chicago Style (17th ed.) Citation

aBerkow, Robert, Mark H. Beers, and Andrew J. Fletcher. The Merck Manual of Medical Information. Whitehouse Station, NJ: Merck Research Laboratories, 1997.

MLA (9th ed.) Citation

aBerkow, Robert, et al. The Merck Manual of Medical Information. Merck Research Laboratories, 1997.