APA (7th ed.) Citation

Cooper, J. I., & MacCallum, F. O. (1984). Viruses and the environment (2nd ed.). Chapman and Hall.

Chicago Style (17th ed.) Citation

Cooper, J. I., and F. O. MacCallum. Viruses and the Environment. 2nd ed. London: Chapman and Hall, 1984.

MLA (9th ed.) Citation

Cooper, J. I., and F. O. MacCallum. Viruses and the Environment. 2nd ed. Chapman and Hall, 1984.