APA Citation

Spengler, O. (1934). The hour of decision: Germany and world-historical evolution. New York: A. A. Knopf.

Chicago Style Citation

Spengler, Oswald. The Hour of Decision: Germany and World-historical Evolution. New York: A. A. Knopf, 1934.

MLA Citation

Spengler, Oswald. The Hour of Decision: Germany and World-historical Evolution. New York: A. A. Knopf, 1934.

Warning: These citations may not always be 100% accurate.