APA (7th ed.) Citation

Sullivan, K., Cleary, M., & Sullivan, G. (2003). Bullying in Secondary Schools: What It Looks Like and How To Manage It. SAGE Publications.

Chicago Style (17th ed.) Citation

Sullivan, Keith, Mark Cleary, and Ginny Sullivan. Bullying in Secondary Schools: What It Looks Like and How To Manage It. London: SAGE Publications, 2003.

MLA (8th ed.) Citation

Sullivan, Keith, et al. Bullying in Secondary Schools: What It Looks Like and How To Manage It. SAGE Publications, 2003.

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