APA (7th ed.) Citation

Clark, J. P., & Thomson, S. D. (1976). Competency tests and graduation requirements. National Association of Secondary School Principals.

Chicago Style (17th ed.) Citation

Clark, James P., and Scott D. Thomson. Competency Tests and Graduation Requirements. Reston, Va: National Association of Secondary School Principals, 1976.

MLA (9th ed.) Citation

Clark, James P., and Scott D. Thomson. Competency Tests and Graduation Requirements. National Association of Secondary School Principals, 1976.