Cita APA (7a ed.)

Nichols, T., & Kierkegaard, S. (2009). Kierkegaard's Writings, IX, Volume 9: Prefaces: Writing Sampler. Princeton University Press.

Cita Chicago Style (17a ed.)

Nichols, Todd, y Soren Kierkegaard. Kierkegaard's Writings, IX, Volume 9: Prefaces: Writing Sampler. Princeton, N.J.: Princeton University Press, 2009.

Cita MLA (8a ed.)

Nichols, Todd, y Soren Kierkegaard. Kierkegaard's Writings, IX, Volume 9: Prefaces: Writing Sampler. Princeton University Press, 2009.