APA (7th ed.) Citation

Gray, D. &. O. (2016). A Critical introduction to Coaching & Mentoring. Sage Publication.

Chicago Style (17th ed.) Citation

Gray, David & Others. A Critical Introduction to Coaching & Mentoring. London: Sage Publication, 2016.

MLA (9th ed.) Citation

Gray, David & Others. A Critical Introduction to Coaching & Mentoring. Sage Publication, 2016.