APA
R. Bressler, . (1952). Life sciences. New York: Pergamon Press.
Chicago
R. Bressler, . 1952. Life sciences. New York: Pergamon Press.
Harvard
R. Bressler, . (1952). Life sciences. New York: Pergamon Press.
MLA
R. Bressler, . Life sciences. New York: Pergamon Press. 1952.