Curtis, J., Curtis, W., & Liebermann, F. (1982). The world of George Perkins Marsh: America's first conversationist and environmentalist ; an illustrated biography. Countryman Pr.
Chicago Style (17th ed.) CitationCurtis, Jane, Will Curtis, and Frank Liebermann. The World of George Perkins Marsh: America's First Conversationist and Environmentalist ; an Illustrated Biography. Woodstock, Vt: Countryman Pr, 1982.
MLA (9th ed.) CitationCurtis, Jane, et al. The World of George Perkins Marsh: America's First Conversationist and Environmentalist ; an Illustrated Biography. Countryman Pr, 1982.
Warning: These citations may not always be 100% accurate.