APA (7th ed.) Citation

SIGEL, M. M., & BEASLEY, A. R. Viruses, cells and hosts: An introduction to virology. Holt.

Chicago Style (17th ed.) Citation

SIGEL, M. Michael, and Ann R. BEASLEY. Viruses, Cells and Hosts: An Introduction to Virology. New York: Holt.

MLA (9th ed.) Citation

SIGEL, M. Michael, and Ann R. BEASLEY. Viruses, Cells and Hosts: An Introduction to Virology. Holt.