APA način citiranja

Viola, J. J., Ferrari, J. R., Davis, M. I., & Jason, L. A. (2009). Measuring In-Group and Out-Group Helping in Communal Living: Helping and Substance Abuse Recovery.

Čikaški stil citiranja

Viola, Judah J., Joseph R. Ferrari, Margaret I. Davis, i Leonard A. Jason. Measuring In-Group and Out-Group Helping in Communal Living: Helping and Substance Abuse Recovery. 2009.

MLA način citiranja

Viola, Judah J., Joseph R. Ferrari, Margaret I. Davis, i Leonard A. Jason. Measuring In-Group and Out-Group Helping in Communal Living: Helping and Substance Abuse Recovery. 2009.