Cita APA (7a ed.)

Ferrell, O., & Hirt, G. A. (1989). Business. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Ferrell, O.C, y Geoffrey A. Hirt. Business. Boston: Houghton Mifflin, 1989.

Cita MLA (9a ed.)

Ferrell, O.C, y Geoffrey A. Hirt. Business. Houghton Mifflin, 1989.