APA (7th ed.) Citation

Smith, K. M., & Ritchie, D. A. (1980). Introduction to virology. Chapman and Hall.

Chicago Style (17th ed.) Citation

Smith, Kenneth M., and D. A. Ritchie. Introduction to Virology. London: Chapman and Hall, 1980.

MLA (9th ed.) Citation

Smith, Kenneth M., and D. A. Ritchie. Introduction to Virology. Chapman and Hall, 1980.