Cita APA (7th ed.)

Harley, D. (2001). Viruses revealed. Osborne/McGraw-Hill.

Cita Chicago (17th ed.)

Harley, David. Viruses Revealed. New York: Osborne/McGraw-Hill, 2001.

Cita MLA (9th ed.)

Harley, David. Viruses Revealed. Osborne/McGraw-Hill, 2001.