Citazione Stile APA (7a Edizione)

Stone, I. (1961). The agony and the ecstasy: A novel of Michelangelo / by Irving Stone (7. Auflage.). New American Library.

Citazione stile Chigago Style (17a edizione)

Stone, Irving. The Agony and the Ecstasy: A Novel of Michelangelo / by Irving Stone. 7. Auflage. New York: New American Library, 1961.

Citatione MLA (8a ed.)

Stone, Irving. The Agony and the Ecstasy: A Novel of Michelangelo / by Irving Stone. 7. Auflage. New American Library, 1961.