Style de citation APA (7e éd.)

Engels, D. (2019). Oswald Spengler and the Decline of the West. Key thinkers of the radical right, 3-21.

Style de citation Chicago (17e éd.)

Engels, David. "Oswald Spengler and the Decline of the West." Key Thinkers of the Radical Right 2019: 3-21.

Style de citation MLA (8e éd.)

Engels, David. "Oswald Spengler and the Decline of the West." Key Thinkers of the Radical Right, 2019, pp. 3-21.