Mark, J., Spellman, F., & Peale, N. V. (1954). Understanding. K. H. Volk.
Chicago Style (17th ed.) CitationMark, Julius, Francis Spellman, i Norman Vincent Peale. Understanding. New York: K. H. Volk, 1954.
Cita MLAMark, Julius, et al. Understanding. K. H. Volk, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.