Cita APA

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

Citación estilo Chicago

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

Cita MLA

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