Cita APA (7th ed.)
Calder, R. (1953). Men against ignorance. Unesco.
Cita Chicago (17th ed.)
Calder, Ritchie. Men Against Ignorance. Paris: Unesco, 1953.
Cita MLA (9th ed.)
Calder, Ritchie. Men Against Ignorance. Unesco, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.