Cita APA (7th ed.)

Kierkegaard, S. (2004). The sickness unto death: A Christian psychological exposition for edification and awakening. Penguin Books.

Cita Chicago (17th ed.)

Kierkegaard, Soren. The Sickness Unto Death: A Christian Psychological Exposition for Edification and Awakening. London: Penguin Books, 2004.

Cita MLA (9th ed.)

Kierkegaard, Soren. The Sickness Unto Death: A Christian Psychological Exposition for Edification and Awakening. Penguin Books, 2004.