Citazione Stile APA (7a Edizione)

Knellwolf, C., & Norris, C. (2001). Twentieth-century historical, philosophical and psychological perspectives. Cambridge Univ. Press.

Citazione stile Chigago Style (17a edizione)

Knellwolf, Christa, e Christopher Norris. Twentieth-century Historical, Philosophical and Psychological Perspectives. Cambridge [u.a.]: Cambridge Univ. Press, 2001.

Citatione MLA (8a ed.)

Knellwolf, Christa, e Christopher Norris. Twentieth-century Historical, Philosophical and Psychological Perspectives. Cambridge Univ. Press, 2001.