APA (7th ed.) Citation

Educational Research Service (Arlington, Va.), American Association of School Administrators, National Association of Elementary School Principals (U.S.), National Association of Secondary School Principals (U.S.), & National School Public Relations Association. (1968). ERS circular. Educational Research Service.

Chicago Style (17th ed.) Citation

Educational Research Service (Arlington, Va.), American Association of School Administrators, National Association of Elementary School Principals (U.S.), National Association of Secondary School Principals (U.S.), and National School Public Relations Association. ERS Circular. Washington: Educational Research Service, 1968.

MLA (9th ed.) Citation

Educational Research Service (Arlington, Va.), et al. ERS Circular. Educational Research Service, 1968.