APA (7th ed.) Citation

Ifenthaler, D., Pirnay-Dummer, P., & Spector, J. (2008). Preface.

Chicago Style (17th ed.) Citation

Ifenthaler, Dirk, P. Pirnay-Dummer, and J. Spector. Preface. 2008.

MLA (9th ed.) Citation

Ifenthaler, Dirk, et al. Preface. 2008.

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