Citazione Stile APA (7a Edizione)

Pickering, S. (1965). 20th-century Russia (History.). Oxford Univ. Press.

Citazione stile Chigago Style (17a edizione)

Pickering, Sally. 20th-century Russia. History. London: Oxford Univ. Press, 1965.

Citatione MLA (9a ed.)

Pickering, Sally. 20th-century Russia. History. Oxford Univ. Press, 1965.