Cita APA (7th ed.)

Trochim, W. M. K. (1984). Research design for program evaluation: The regression-discontinuity approach. Sage Publications.

Cita Chicago (17th ed.)

Trochim, William M. K. Research Design for Program Evaluation: The Regression-discontinuity Approach. Beverly Hills: Sage Publications, 1984.

Cita MLA (9th ed.)

Trochim, William M. K. Research Design for Program Evaluation: The Regression-discontinuity Approach. Sage Publications, 1984.