APA (7th ed.) Citation

Gobby, B., & Walker, R. (2017). Preface. Oxford University Press.

Chicago Style (17th ed.) Citation

Gobby, Brad, and Rebecca Walker. Preface. Oxford University Press, 2017.

MLA (9th ed.) Citation

Gobby, Brad, and Rebecca Walker. Preface. Oxford University Press, 2017.

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