Cita APA

Kierkegaard, S. (1948). Purity of heart is to will one thing: Spiritual preparation for the office of confession. London: Fontana Books.

Chicago Style Citation

Kierkegaard, Søren. Purity of Heart Is to Will One Thing: Spiritual Preparation for the Office of Confession. London: Fontana Books, 1948.

Cita MLA

Kierkegaard, Søren. Purity of Heart Is to Will One Thing: Spiritual Preparation for the Office of Confession. London: Fontana Books, 1948.

Atenció: Aquestes cites poden no estar 100% correctes.