Cita APA (7a ed.)

Greer, T. H., & Lewis, G. (1992). A brief history of the Western world (6th.ed.). HBJ.

Cita Chicago Style (17a ed.)

Greer, Thomas H., y Gavin Lewis. A Brief History of the Western World. 6th.ed. Fort Worth: HBJ, 1992.

Cita MLA (9a ed.)

Greer, Thomas H., y Gavin Lewis. A Brief History of the Western World. 6th.ed. HBJ, 1992.