APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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