APA (7th ed.) Citation

Krug, R. M. (1989). The Influenza viruses. Plenum Press.

Chicago Style (17th ed.) Citation

Krug, Robert M. The Influenza Viruses. New York: Plenum Press, 1989.

MLA (9th ed.) Citation

Krug, Robert M. The Influenza Viruses. Plenum Press, 1989.

Warning: These citations may not always be 100% accurate.