APA (7th ed.) Zitazioa

Friis Johansen, K. (1998). A history of ancient philosophy: From the beginnings to Augustine. Routledge.

Chicago Style (17th ed.) Zitazioa

Friis Johansen, K. A History of Ancient Philosophy: From the Beginnings to Augustine. London ; New York: Routledge, 1998.

MLA (9th ed.) Zitazioa

Friis Johansen, K. A History of Ancient Philosophy: From the Beginnings to Augustine. Routledge, 1998.