APA (7th ed.) Citation

Spencer, J. E., & Geary, R. C. (1974). Exercises in mathematical economics and econometrics, with outlines of theory. Hafner Press.

Chicago Style (17th ed.) Citation

Spencer, John Ervine, and Robert Charles Geary. Exercises in Mathematical Economics and Econometrics, with Outlines of Theory. New York: Hafner Press, 1974.

MLA (9th ed.) Citation

Spencer, John Ervine, and Robert Charles Geary. Exercises in Mathematical Economics and Econometrics, with Outlines of Theory. Hafner Press, 1974.