APA
Derek Barton, . (1987). Tethradon. New York: Pergamon Press.
Chicago
Derek Barton, . 1987. Tethradon. New York: Pergamon Press.
Harvard
Derek Barton, . (1987). Tethradon. New York: Pergamon Press.
MLA
Derek Barton, . Tethradon. New York: Pergamon Press. 1987.