Ball, A. P., & Gray, J. A. (1992). Infectious diseases. Churchill Livingstone.
Chicago Style (17th ed.) CitationBall, A. P., and J. A. Gray. Infectious Diseases. Edinburgh, Scotland: Churchill Livingstone, 1992.
MLA (9th ed.) CitationBall, A. P., and J. A. Gray. Infectious Diseases. Churchill Livingstone, 1992.
Warning: These citations may not always be 100% accurate.