APA (7th ed.) Citation

Underwood, J. S., Hoadley, C., Lee, H. S., Hollebrands, K., DiGiano, C., & Renninger, K. A. (2005). IDEA: Identifying Design Principles in Educational Applets.

Chicago Style (17th ed.) Citation

Underwood, Jody S., Christopher Hoadley, Hollylynne Stohl Lee, Karen Hollebrands, Chris DiGiano, and K. Ann Renninger. IDEA: Identifying Design Principles in Educational Applets. 2005.

MLA (9th ed.) Citation

Underwood, Jody S., et al. IDEA: Identifying Design Principles in Educational Applets. 2005.