APA (7th ed.) Citation

Cliff, R., & Cliff, N. (1963). Formulating hypotheses: Factor structure and validity data. Educational Testing Service.

Chicago Style (17th ed.) Citation

Cliff, Rosemary, and Norman Cliff. Formulating Hypotheses: Factor Structure and Validity Data. Princeton, N.J.: Educational Testing Service, 1963.

MLA (8th ed.) Citation

Cliff, Rosemary, and Norman Cliff. Formulating Hypotheses: Factor Structure and Validity Data. Educational Testing Service, 1963.