APA (7th ed.) Citation

Weghorn, H., Roth, J., Isaías, P., & Kommers, P. (2011). Foreword.

Chicago Style (17th ed.) Citation

Weghorn, H., J. Roth, P. Isaías, and Piet Kommers. Foreword. 2011.

MLA (9th ed.) Citation

Weghorn, H., et al. Foreword. 2011.

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