Cita APA (7a ed.)

Byrns, R. T., & Stone, G. W. (1992). Economics (5th ed.). HarperCollins College Pub..

Cita Chicago Style (17a ed.)

Byrns, Ralph T., y Gerald W. Stone. Economics. 5th ed. New York: HarperCollins College Pub., 1992.

Cita MLA (9a ed.)

Byrns, Ralph T., y Gerald W. Stone. Economics. 5th ed. HarperCollins College Pub., 1992.