APA (7th ed.) Citation

Pepler, D., & Ferguson, H. B. (2013). Understanding and Addressing Girls’ Aggressive Behaviour Problems: A Focus on Relationships.

Chicago Style (17th ed.) Citation

Pepler, Debra, and H. Bruce Ferguson. Understanding and Addressing Girls’ Aggressive Behaviour Problems: A Focus on Relationships. 2013.

MLA (9th ed.) Citation

Pepler, Debra, and H. Bruce Ferguson. Understanding and Addressing Girls’ Aggressive Behaviour Problems: A Focus on Relationships. 2013.

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