APA Style

WIGGINS, G, P, ;, M, J. (2005). Understanding By Design : Expanded 2nd Edition (2nd Ed.). Virginia: Association for Supervision and Curriculum Development.

MLA Style

WIGGINS, Grant, P., ;, MACTIGHE,, Jay. "Understanding By Design : Expanded 2nd Edition". 2nd Ed. Virginia: Association for Supervision and Curriculum Development, 2005. BOOK.