Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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