Citazione Stile APA (7a Edizione)

Holborn, H. (1964). A history of modern Germany: By Hajo Holborn. Knopf.

Citazione stile Chigago Style (17a edizione)

Holborn, Hajo. A History of Modern Germany: By Hajo Holborn. New York: Knopf, 1964.

Citatione MLA (8a ed.)

Holborn, Hajo. A History of Modern Germany: By Hajo Holborn. Knopf, 1964.