Style de citation APA

Spengler, O., & Atkinson, C. F. (1926). The decline of the west: Volume 1: Form and actuality. Allen & Unwin.

Style de citation Chicago

Spengler, Oswald, et Charles Francis Atkinson. The Decline of the West: Volume 1: Form and Actuality. London: Allen & Unwin, 1926.

Style de citation MLA

Spengler, Oswald, et Charles Francis Atkinson. The Decline of the West: Volume 1: Form and Actuality. Allen & Unwin, 1926.