Erekson, J. A., Opitz, M. F., & Ford, M. P. (2014). Engaging minds in social studies classrooms: The surprising power of joy. ASCD.

Erekson, James A., Michael F. Opitz, and Michael P. Ford. Engaging Minds in Social Studies Classrooms: The Surprising Power of Joy. Alexandria, Virginia: ASCD, 2014.

Erekson, James A., et al. Engaging Minds in Social Studies Classrooms: The Surprising Power of Joy. ASCD, 2014.