APA (7th ed.) Citation

Fry, J. C., & Day, M. J. (1990). Bacterial genetics in natural environments. Chapman and Hall.

Chicago Style (17th ed.) Citation

Fry, J. C., and Martin J. Day. Bacterial Genetics in Natural Environments. London ; New York: Chapman and Hall, 1990.

MLA (9th ed.) Citation

Fry, J. C., and Martin J. Day. Bacterial Genetics in Natural Environments. Chapman and Hall, 1990.