Allen, J. L. (1999). Annual editions: Environment. 1999. Dushkin/McGraw-Hill.
Chicago Style (17th ed.) CitationAllen, John L. Annual Editions: Environment. 1999. Guilford, Connecticut: Dushkin/McGraw-Hill, 1999.
MLA (9th ed.) CitationAllen, John L. Annual Editions: Environment. 1999. Dushkin/McGraw-Hill, 1999.
Warning: These citations may not always be 100% accurate.