APA (7th ed.) Citation

Ausubel, H. (1951). The making of modern Europe (2 v.). Henry Holt.

Chicago Style (17th ed.) Citation

Ausubel, Herman. The Making of Modern Europe. 2 v. New york: Henry Holt, 1951.

MLA (9th ed.) Citation

Ausubel, Herman. The Making of Modern Europe. 2 v. Henry Holt, 1951.