APA (7th ed.) Citation
Betts, R. F., Penn, R. L., & Chapman, S. W. (2003). A practical approach to infectious diseases (Fifth edition.). Lippincott Williams & Wilkins.
Chicago Style (17th ed.) Citation
Betts, Robert F., Robert L. Penn, and Stanley W. Chapman. A Practical Approach to Infectious Diseases. Fifth edition. Philadelphia: Lippincott Williams & Wilkins, 2003.
MLA (9th ed.) Citation
Betts, Robert F., et al. A Practical Approach to Infectious Diseases. Fifth edition. Lippincott Williams & Wilkins, 2003.
Warning: These citations may not always be 100% accurate.