APA
Moon M. a. O., . (1956). Modern Biology. New York: Henry Holt & Co.
Chicago
Moon Mann and Otto, . 1956. Modern Biology. New York: Henry Holt & Co.
Harvard
Moon M. a. O., . (1956). Modern Biology. New York: Henry Holt & Co.
MLA
Moon Mann and Otto, . Modern Biology. New York: Henry Holt & Co. 1956.