APA (7th ed.) Citation

Holborn, H. (1951). The political collapse of Europe. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Holborn, Hajo. The Political Collapse of Europe. New York, N.Y: Alfred A. Knopf, 1951.

MLA (8th ed.) Citation

Holborn, Hajo. The Political Collapse of Europe. Alfred A. Knopf, 1951.