Cita APA (7a ed.)

Thomas, N. C., Shull, S. A., & Edwards, G. C. (1985). The Presidency and Public Policy Making. University of Pittsburgh Press.

Cita Chicago Style (17a ed.)

Thomas, Norman C., Steven A. Shull, y George C. Edwards. The Presidency and Public Policy Making. Pittsburgh, Pa.: University of Pittsburgh Press, 1985.

Cita MLA (8a ed.)

Thomas, Norman C., et al. The Presidency and Public Policy Making. University of Pittsburgh Press, 1985.