Citazione APA

Hügel, F., Barmann, L. F., & Smith, N. K. (1981). The letters of Baron Friedrich von Hügel and Professor Norman Kemp Smith. Fordham University Press.

Stile di citazione Chicago

Hügel, Friedrich, Lawrence F. Barmann, e Norman Kemp Smith. The Letters of Baron Friedrich Von Hügel and Professor Norman Kemp Smith. New York: Fordham University Press, 1981.

Citazione MLA

Hügel, Friedrich, et al. The Letters of Baron Friedrich Von Hügel and Professor Norman Kemp Smith. Fordham University Press, 1981.