Cita APA (7a ed.)

Patrick, J. J., Pious, R. M., & Ritchie, D. A. (2001). The Oxford guide to the United States government. University Press.

Cita Chicago Style (17a ed.)

Patrick, John J., Richard M. Pious, y Donald A. Ritchie. The Oxford Guide to the United States Government. Oxford: University Press, 2001.

Cita MLA (9a ed.)

Patrick, John J., et al. The Oxford Guide to the United States Government. University Press, 2001.