APA (7th ed.) Citation

Wiggins, G., & McTighe, J. (2005). Understanding by design (expanded 2nd ed.). ASCD.

Chicago Style (17th ed.) Citation

Wiggins, Grant, and Jay McTighe. Understanding by Design. expanded 2nd ed. Alexandria, VA: ASCD, 2005.

MLA (9th ed.) Citation

Wiggins, Grant, and Jay McTighe. Understanding by Design. expanded 2nd ed. ASCD, 2005.