Spearman, C. (1927). The nature of intelligence and the principles of cognition / by C. Spearman (2nd ed.). Macmillan.
Chicago Style (17th ed.) CitationSpearman, C. The Nature of Intelligence and the Principles of Cognition / by C. Spearman. 2nd ed. Macmillan, 1927.
MLA (9th ed.) CitationSpearman, C. The Nature of Intelligence and the Principles of Cognition / by C. Spearman. 2nd ed. Macmillan, 1927.
Warning: These citations may not always be 100% accurate.