Citazione Stile APA (7a Edizione)

Boak, A. E. R. (1969). The history of our world. Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Boak, Arthur Edward Romilly. The History of Our World. Boston: Houghton Mifflin, 1969.

Citatione MLA (9a ed.)

Boak, Arthur Edward Romilly. The History of Our World. Houghton Mifflin, 1969.