Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.