Cita APA (7th ed.)

Rossi, P. H., & Williams, W. (1972). Evaluating social programs: Theory, practice, and politics. Seminar Press.

Cita Chicago (17th ed.)

Rossi, Peter Henry, i Walter Williams. Evaluating Social Programs: Theory, Practice, and Politics. New York: Seminar Press, 1972.

Cita MLA (9th ed.)

Rossi, Peter Henry, i Walter Williams. Evaluating Social Programs: Theory, Practice, and Politics. Seminar Press, 1972.