Gaya APA

Knipe, D, M., Howley, P, M. (2007). Fields Virology Vol. 1 and 2 (5th ed). Philadelphia: Lippincott Williams and Wilkins.

Gaya MLA

Knipe, David, M., Howley, Peter, M. "Fields Virology Vol. 1 and 2". 5th ed Philadelphia: Lippincott Williams and Wilkins, 2007. Text.