Geogre, E. (1931). The adventure of mankind. New York: E. P. Dutton.
Chicago Style CitationGeogre, Eugen. The Adventure of Mankind. New York: E. P. Dutton, 1931.
Cita MLAGeogre, Eugen. The Adventure of Mankind. New York: E. P. Dutton, 1931.
Atenció: Aquestes cites poden no estar 100% correctes.