Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationColby, C. C. (1922). Source book for the economic geography of North America ([2d ed.].). The University of Chicago Press.
Chicago Citation Edition CitationColby, Charles Carlyle. Source Book for the Economic Geography of North America. [2d ed.]. Chicago, Ill.: The University of Chicago Press, 1922.
MLA Citation Edition CitationColby, Charles Carlyle. Source Book for the Economic Geography of North America. [2d ed.]. The University of Chicago Press, 1922.
