Citazione Stile APA (7a Edizione)

Perry, M., & Davis, D. F. (1988). A history of the world (Revised edition.). Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Perry, Marvin, e Daniel F. Davis. A History of the World. Revised edition. Atlanta [u.a.]: Houghton Mifflin, 1988.

Citatione MLA (9a ed.)

Perry, Marvin, e Daniel F. Davis. A History of the World. Revised edition. Houghton Mifflin, 1988.