APA (7th ed.) Citation

Sterling, K. B. (1997). Biographical dictionary of American and Canadian naturalists and environmentalists. Greenwood Press.

Chicago Style (17th ed.) Citation

Sterling, Keir B. Biographical Dictionary of American and Canadian Naturalists and Environmentalists. Westport, Conn: Greenwood Press, 1997.

MLA (9th ed.) Citation

Sterling, Keir B. Biographical Dictionary of American and Canadian Naturalists and Environmentalists. Greenwood Press, 1997.