APA (7th ed.) Citation

Bongers, S., Pye, T., Pye, K., & Martin, B. An exercise in discipline: Peel.

Chicago Style (17th ed.) Citation

Bongers, Sally, Tim Pye, Katie Pye, and Ben Martin. An Exercise in Discipline: Peel.

MLA (9th ed.) Citation

Bongers, Sally, et al. An Exercise in Discipline: Peel.