APA (7th ed.) Citation

Engel, R. J. (2005). The practice of research in social work. Sage Publ.

Chicago Style (17th ed.) Citation

Engel, Rafael J. The Practice of Research in Social Work. Thousand Oaks, Calif: Sage Publ, 2005.

MLA (9th ed.) Citation

Engel, Rafael J. The Practice of Research in Social Work. Sage Publ, 2005.