Style de citation APA

Spengler, O., & Atkinson, C. F. (1928). The decline of the west: Volume 2: Perspectives of world-history. Allen & Unwin.

Style de citation Chicago

Spengler, Oswald, et Charles Francis Atkinson. The Decline of the West: Volume 2: Perspectives of World-history. London: Allen & Unwin, 1928.

Style de citation MLA

Spengler, Oswald, et Charles Francis Atkinson. The Decline of the West: Volume 2: Perspectives of World-history. Allen & Unwin, 1928.