Cita APA (7a ed.)

Kierkegaard, S., Hong, E. H., & Hong, H. V. (1991). Kierkegaard's Writings, XX, Volume 20: Practice in Christianity. Princeton University Press.

Cita Chicago Style (17a ed.)

Kierkegaard, Soren, Edna H. Hong, y Howard V. Hong. Kierkegaard's Writings, XX, Volume 20: Practice in Christianity. Princeton, N.J.: Princeton University Press, 1991.

Cita MLA (8a ed.)

Kierkegaard, Soren, et al. Kierkegaard's Writings, XX, Volume 20: Practice in Christianity. Princeton University Press, 1991.