Roberts, W. O., & Friedman, E. J. (1982). Living with the changed world climate: Walter Orr Roberts and Edward J. Friedman. Aspen Inst. for Humanistic Studies.
Chicago Style (17th ed.) CitationRoberts, Walter Orr, and Edward J. Friedman. Living with the Changed World Climate: Walter Orr Roberts and Edward J. Friedman. New York: Aspen Inst. for Humanistic Studies, 1982.
MLA (9th ed.) CitationRoberts, Walter Orr, and Edward J. Friedman. Living with the Changed World Climate: Walter Orr Roberts and Edward J. Friedman. Aspen Inst. for Humanistic Studies, 1982.
Warning: These citations may not always be 100% accurate.