APA (7th ed.) Citation

Keats, J. A. (1971). An introduction to quantitative psychology / (by) J.A. Keats. Wiley.

Chicago Style (17th ed.) Citation

Keats, John A. An Introduction to Quantitative Psychology / (by) J.A. Keats. Sydney ; (Chichester): Wiley, 1971.

MLA (9th ed.) Citation

Keats, John A. An Introduction to Quantitative Psychology / (by) J.A. Keats. Wiley, 1971.

Warning: These citations may not always be 100% accurate.