APA (7th ed.) Citation

Macedo, M., Kommers, P., Isaías, P., & Kasparova, E. (2013). Foreword.

Chicago Style (17th ed.) Citation

Macedo, M., Piet Kommers, P. Isaías, and E. Kasparova. Foreword. 2013.

MLA (9th ed.) Citation

Macedo, M., et al. Foreword. 2013.