APA (7th ed.) Citation

Curtis, N., Finn, A., & Pollard, A. (2013). Preface.

Chicago Style (17th ed.) Citation

Curtis, N., A. Finn, and A. Pollard. Preface. 2013.

MLA (9th ed.) Citation

Curtis, N., et al. Preface. 2013.

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