APA
R. Bressler, . (1989). Life Sciences. New York: Pergamon Press.
Chicago
R. Bressler, . 1989. Life Sciences. New York: Pergamon Press.
Harvard
R. Bressler, . (1989). Life Sciences. New York: Pergamon Press.
MLA
R. Bressler, . Life Sciences. New York: Pergamon Press. 1989.