APA (7th ed.) Citation

Sullivan, K., Cleary, M., & Sullivan, G. (2004). Bullying in secondary school: What it looks like and how to manage it (1. publ.). Chapman [u.a.].

Chicago Style (17th ed.) Citation

Sullivan, Keith, Mark Cleary, and Ginny Sullivan. Bullying in Secondary School: What It Looks like and How to Manage It. 1. publ. London: Chapman [u.a.], 2004.

MLA (9th ed.) Citation

Sullivan, Keith, et al. Bullying in Secondary School: What It Looks like and How to Manage It. 1. publ. Chapman [u.a.], 2004.