Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.