Cita APA (7a ed.)

Lipsey, R. G., Purvis, D. D., Sparks, G. R., & Steiner, P. O. (1982). Economics (4th. ed.). Harper & Row.

Cita Chicago Style (17a ed.)

Lipsey, Richard G., Douglas D. Purvis, Gordon R. Sparks, y Peter O. Steiner. Economics. 4th. ed. New York: Harper & Row, 1982.

Cita MLA (8a ed.)

Lipsey, Richard G., et al. Economics. 4th. ed. Harper & Row, 1982.