APA (7th ed.) Citation

Allen, J. M. (1963). The nature of biological diversity. McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

Allen, John M. The Nature of Biological Diversity. New York: McGraw-Hill Book Co., Inc, 1963.

MLA (9th ed.) Citation

Allen, John M. The Nature of Biological Diversity. McGraw-Hill Book Co., Inc, 1963.