Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Spencer, J. E., y Robert Charles Geary. Exercises in Mathematical Economics and Econometrics with Outlines of Theory. London [etc.]: Charles Griffin, 1974.

Cita MLA (9a ed.)

Spencer, J. E., y Robert Charles Geary. Exercises in Mathematical Economics and Econometrics with Outlines of Theory. Charles Griffin, 1974.