Highsmith, R. M., & Northam, R. M. (1968). World economic activities; a geographic analysis: By Richard M. Highsmith and Ray M. Northam. Brace & World.
Chicago Style (17th ed.) CitationHighsmith, Richard Morgan, and Ray M. Northam. World Economic Activities; a Geographic Analysis: By Richard M. Highsmith and Ray M. Northam. New York, Harcourt: Brace & World, 1968.
MLA (9th ed.) CitationHighsmith, Richard Morgan, and Ray M. Northam. World Economic Activities; a Geographic Analysis: By Richard M. Highsmith and Ray M. Northam. Brace & World, 1968.
Warning: These citations may not always be 100% accurate.