APA (7th ed.) Citation

Ladd, G. W. (1987). Imagination in research: An economist's view (First edition.). Iowa State University Press.

Chicago Style (17th ed.) Citation

Ladd, George W. Imagination in Research: An Economist's View. First edition. Ames: Iowa State University Press, 1987.

MLA (9th ed.) Citation

Ladd, George W. Imagination in Research: An Economist's View. First edition. Iowa State University Press, 1987.