Black, M., Haley, R., & Kellert, S. R. (1997). Macmillan encyclopedia of the environment. Macmillan Library Reference USA.
Chicago Style (17th ed.) CitationBlack, Matthew, Richard Haley, and Stephen R. Kellert. Macmillan Encyclopedia of the Environment. New York: Macmillan Library Reference USA, 1997.
MLA (9th ed.) CitationBlack, Matthew, et al. Macmillan Encyclopedia of the Environment. Macmillan Library Reference USA, 1997.
Warning: These citations may not always be 100% accurate.