APA (7th ed.) Citation

Henak, R. M. (1984). Lesson planning for meaningful variety in teaching (2nd ed.). National Education Association.

Chicago Style (17th ed.) Citation

Henak, Richard M. Lesson Planning for Meaningful Variety in Teaching. 2nd ed. Washington, D.C.: National Education Association, 1984.

MLA (9th ed.) Citation

Henak, Richard M. Lesson Planning for Meaningful Variety in Teaching. 2nd ed. National Education Association, 1984.