Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.