APA (7th ed.) Citation

Michael Spector, J., Ifenthaler, D., Sampson, D., & Isaías, P. (2016). Preface.

Chicago Style (17th ed.) Citation

Michael Spector, J., D. Ifenthaler, Demetrios Sampson, and P. Isaías. Preface. 2016.

MLA (9th ed.) Citation

Michael Spector, J., et al. Preface. 2016.