APA (7th ed.) Citation

National Association of Secondary School Principals (U.S.). (1974). 25 action-learning schools. The Association.

Chicago Style (17th ed.) Citation

National Association of Secondary School Principals (U.S.). 25 Action-learning Schools. Reston, Va.: The Association, 1974.

MLA (8th ed.) Citation

National Association of Secondary School Principals (U.S.). 25 Action-learning Schools. The Association, 1974.

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