APA (7th ed.) Citation

Bamford, C., Tipper, L., & Compton, R. (1984). Preface.

Chicago Style (17th ed.) Citation

Bamford, C., L. Tipper, and R. Compton. Preface. 1984.

MLA (9th ed.) Citation

Bamford, C., et al. Preface. 1984.