APA Citation

Lappan, G., Smith, M. S., & Jones, E. (2012). Rich & engaging mathematical tasks: Grade 5-9. Reston, Va.: National Council of Teachers of Mathematics.

Chicago Style Citation

Lappan, Glenda, Margaret S. Smith, and Elizabeth Jones. Rich & Engaging Mathematical Tasks: Grade 5-9. Reston, Va.: National Council of Teachers of Mathematics, 2012.

MLA Citation

Lappan, Glenda, Margaret S. Smith, and Elizabeth Jones. Rich & Engaging Mathematical Tasks: Grade 5-9. Reston, Va.: National Council of Teachers of Mathematics, 2012.

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