Kohler, H. (1968). Scarcity challenged: An introduction to economics. Holt, Rinehart and Wilson.
Chicago Style (17th ed.) CitationKohler, Heinz. Scarcity Challenged: An Introduction to Economics. New York, N. Y.: Holt, Rinehart and Wilson, 1968.
MLA (9th ed.) CitationKohler, Heinz. Scarcity Challenged: An Introduction to Economics. Holt, Rinehart and Wilson, 1968.