APA (7th ed.) Zitazioa

Ybarra, M. L., Prescott, T. L., & Espelage, D. L. (2016). Stepwise Development of a Text Messaging-Based Bullying Prevention Program for Middle School Students (BullyDown). JMIR Publications.

Chicago Style (17th ed.) Zitazioa

Ybarra, Michele L., Tonya L. Prescott, eta Dorothy L. Espelage. Stepwise Development of a Text Messaging-Based Bullying Prevention Program for Middle School Students (BullyDown). JMIR Publications, 2016.

MLA (9th ed.) Zitazioa

Ybarra, Michele L., et al. Stepwise Development of a Text Messaging-Based Bullying Prevention Program for Middle School Students (BullyDown). JMIR Publications, 2016.