Cita APA (7a ed.)

Skirbekk, G., & Gilje, N. (2001). A history of western thought: : from ancient greece to the twentieth century. Routledge.

Cita Chicago Style (17a ed.)

Skirbekk, Gunnar, y Nils Gilje. A History of Western Thought: : From Ancient Greece to the Twentieth Century. London: Routledge, 2001.

Cita MLA (9a ed.)

Skirbekk, Gunnar, y Nils Gilje. A History of Western Thought: : From Ancient Greece to the Twentieth Century. Routledge, 2001.