Citazione APA

Burns, E. M., & Burns,, E. M. N. (1984). World civilizations: Their history and their culture (7th ed.). Goyl Saab.

Stile di citazione Chicago

Burns, Edward MacNall, e Edward Mc Nall Burns. World Civilizations: Their History and Their Culture. 7th ed. Delhi: Goyl Saab, 1984.

Citazione MLA

Burns, Edward MacNall, e Edward Mc Nall Burns. World Civilizations: Their History and Their Culture. 7th ed. Goyl Saab, 1984.