APA (7th ed.) Citation

Vernon, P. E. (1958). Educational testing and test-form factors. Educational Testing Service.

Chicago Style (17th ed.) Citation

Vernon, Philip E. Educational Testing and Test-form Factors. Princeton, N.J.: Educational Testing Service, 1958.

MLA (8th ed.) Citation

Vernon, Philip E. Educational Testing and Test-form Factors. Educational Testing Service, 1958.

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