Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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