APA (7th ed.) Citation

Douglas, R. G., Reese, R. E., & Valenti, W. M. (1983). A Practical approach to infectious diseases. Little, Brown.

Chicago Style (17th ed.) Citation

Douglas, R. Gordon, Richard E. Reese, and William M. Valenti. A Practical Approach to Infectious Diseases. Boston: Little, Brown, 1983.

MLA (9th ed.) Citation

Douglas, R. Gordon, et al. A Practical Approach to Infectious Diseases. Little, Brown, 1983.