APA (7th ed.) Citation

L.Usinger, T. I. a. R. (1961). ELEMENT OF ZOOLOGY;2ND ED. McMGraw-Hill Book Company,Inc.

Chicago Style (17th ed.) Citation

L.Usinger, Tracy I.Storer and Robert. ELEMENT OF ZOOLOGY;2ND ED. McMGraw-Hill Book Company,Inc, 1961.

MLA (8th ed.) Citation

L.Usinger, Tracy I.Storer and Robert. ELEMENT OF ZOOLOGY;2ND ED. McMGraw-Hill Book Company,Inc, 1961.

Warning: These citations may not always be 100% accurate.