APA (7th ed.) Citation

Alpert, P. (1951). Twentieth century economic history of Europe. Henry Schuman.

Chicago Style (17th ed.) Citation

Alpert, Paul. Twentieth Century Economic History of Europe. New York: Henry Schuman, 1951.

MLA (8th ed.) Citation

Alpert, Paul. Twentieth Century Economic History of Europe. Henry Schuman, 1951.