Style de citation APA

Spengler, O., & Atkinson, C. F. (1934). The hour of decision: Part 1: Germany and world-historical evolution. Alfred A. Knopf.

Style de citation Chicago

Spengler, Oswald, et Charles Francis Atkinson. The Hour of Decision: Part 1: Germany and World-historical Evolution. New York, N.Y: Alfred A. Knopf, 1934.

Style de citation MLA

Spengler, Oswald, et Charles Francis Atkinson. The Hour of Decision: Part 1: Germany and World-historical Evolution. Alfred A. Knopf, 1934.