APA
George K. Hirst, . (1969). Virology. New York: Academic Press.
Chicago
George K. Hirst, . 1969. Virology. New York: Academic Press.
Harvard
George K. Hirst, . (1969). Virology. New York: Academic Press.
MLA
George K. Hirst, . Virology. New York: Academic Press. 1969.