APA (7th ed.) Citation

Ifenthaler, D., Pirnay-Dummer, P., & Spector, J. (2008). Understanding models for learning and instruction.

Chicago Style (17th ed.) Citation

Ifenthaler, Dirk, P. Pirnay-Dummer, and J. Spector. Understanding Models for Learning and Instruction. 2008.

MLA (9th ed.) Citation

Ifenthaler, Dirk, et al. Understanding Models for Learning and Instruction. 2008.