Citazione Stile APA (7a Edizione)

Niebuhr, H. R. (1960). Radical monotheism and western culture: With supplementary essays. Harper.

Citazione stile Chigago Style (17a edizione)

Niebuhr, Helmut Richard. Radical Monotheism and Western Culture: With Supplementary Essays. New York: Harper, 1960.

Citatione MLA (9a ed.)

Niebuhr, Helmut Richard. Radical Monotheism and Western Culture: With Supplementary Essays. Harper, 1960.