Cita APA

Witmer, H. L., & Witmer, H. L. (1950). Social work: An analysis of a social institution. New York, New York: Rinehart.

Citación estilo Chicago

Witmer, Helen Leland, y Helen Leland Witmer. Social Work: An Analysis of a Social Institution. New York, New York: Rinehart, 1950.

Cita MLA

Witmer, Helen Leland, y Helen Leland Witmer. Social Work: An Analysis of a Social Institution. New York, New York: Rinehart, 1950.