Storer, T. I., & Usinger, R. L. (1955). General zoology (Third Edition.). McGraw-Hill.
Cita Chicago (17th ed.)Storer, Tracy I., i Robert L. Usinger. General Zoology. Third Edition. New York: McGraw-Hill, 1955.
Cita MLA (9th ed.)Storer, Tracy I., i Robert L. Usinger. General Zoology. Third Edition. McGraw-Hill, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.