International Congress of Systematic and Evolutionary Biology (1st : 1973 : Boulder, Colo.), & Beck, C. B. (1976). Origin and early evolution of angiosperms. Columbia University Press.
Chicago Style (17th ed.) CitationInternational Congress of Systematic and Evolutionary Biology (1st : 1973 : Boulder, Colo.), and Charles B. Beck. Origin and Early Evolution of Angiosperms. New York: Columbia University Press, 1976.
MLA (9th ed.) CitationInternational Congress of Systematic and Evolutionary Biology (1st : 1973 : Boulder, Colo.), and Charles B. Beck. Origin and Early Evolution of Angiosperms. Columbia University Press, 1976.
Warning: These citations may not always be 100% accurate.