APA (7th ed.) Citation

Spearman, C. (1973). The nature of 'intelligence' and the principles of cognition. Arno.

Chicago Style (17th ed.) Citation

Spearman, Charles. The Nature of 'Intelligence' and the Principles of Cognition. New York: Arno, 1973.

MLA (9th ed.) Citation

Spearman, Charles. The Nature of 'Intelligence' and the Principles of Cognition. Arno, 1973.