APA (7th ed.) Citation

Nunes, M., McPherson, M., Kommers, P., & Isaías, P. (2014). Foreword.

Chicago Style (17th ed.) Citation

Nunes, M., M. McPherson, Piet Kommers, and P. Isaías. Foreword. 2014.

MLA (9th ed.) Citation

Nunes, M., et al. Foreword. 2014.