APA (7th ed.) Citation

National Association of Elementary School Principals (U.S.). (1980). Principal. National Association of Elementary School Principals.

Chicago Style (17th ed.) Citation

National Association of Elementary School Principals (U.S.). Principal. Arlington, Va.: National Association of Elementary School Principals, 1980.

MLA (9th ed.) Citation

National Association of Elementary School Principals (U.S.). Principal. National Association of Elementary School Principals, 1980.