Gaya APA

Caughley, G. et al (1995). Virus Taxonomy: Classification And Nomenclature Of Viruses . New York: Spinger-Verlag Wien.

Gaya MLA

Caughley, Graeme. et al. "Virus Taxonomy: Classification And Nomenclature Of Viruses". New York: Spinger-Verlag Wien, 1995. Text.