APA način citiranja

Rafael J Engel & Russell K Schutt. (2013). The practice of research in social work. Sage.

Čikaški stil citiranja

Rafael J Engel i Russell K Schutt. The Practice of Research in Social Work. Los Angeles: Sage, 2013.

MLA način citiranja

Rafael J Engel i Russell K Schutt. The Practice of Research in Social Work. Sage, 2013.