Citazione Stile APA (7a Edizione)

Goodspeed, G. S. (1912). A history of the ancient world. Charles Scribner´s.

Citazione stile Chigago Style (17a edizione)

Goodspeed, George Stephen. A History of the Ancient World. New York: Charles Scribner´s, 1912.

Citatione MLA (9a ed.)

Goodspeed, George Stephen. A History of the Ancient World. Charles Scribner´s, 1912.