APA (7th ed.) Citation

National Association of Secondary School Principals (U.S.). Schools in the middle: Theory into practice. National Association of Secondary School Principals.

Chicago Style (17th ed.) Citation

National Association of Secondary School Principals (U.S.). Schools in the Middle: Theory into Practice. Reston: National Association of Secondary School Principals.

MLA (9th ed.) Citation

National Association of Secondary School Principals (U.S.). Schools in the Middle: Theory into Practice. National Association of Secondary School Principals.

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