Cita APA (7th ed.)
Spearman, C. (1927). THE ABILITIES OF MAN.
Cita Chicago (17th ed.)
Spearman, Charles. THE ABILITIES OF MAN. 1927.
Cita MLA (9th ed.)
Spearman, Charles. THE ABILITIES OF MAN. 1927.
Atenció: Aquestes cites poden no estar 100% correctes.