APA
G.K. Hirst, . (1977). Virology. New York: Academic Press.
Chicago
G.K. Hirst, . 1977. Virology. New York: Academic Press.
Harvard
G.K. Hirst, . (1977). Virology. New York: Academic Press.
MLA
G.K. Hirst, . Virology. New York: Academic Press. 1977.