APA (7th ed.) Citation

Anderson, J., Brabbins, M., Oramo, S., Halsey, S., & Knussen, O. Book of hours.

Chicago Style (17th ed.) Citation

Anderson, Julian, Martyn Brabbins, Sakari Oramo, Simon Halsey, and Oliver Knussen. Book of Hours.

MLA (9th ed.) Citation

Anderson, Julian, et al. Book of Hours.