Cita APA (7th ed.)

Engel, R. J., & Schutt, R. K. (2014). Fundamentals of social work research (Second edition.). SAGE.

Cita Chicago (17th ed.)

Engel, Rafael J., i Russell K. Schutt. Fundamentals of Social Work Research. Second edition. Thousand Oaks, California: SAGE, 2014.

Cita MLA (9th ed.)

Engel, Rafael J., i Russell K. Schutt. Fundamentals of Social Work Research. Second edition. SAGE, 2014.