Cita APA (7a ed.)

Springer, M. J., & Smith, S. S. (2009). Reforming the Presidential Nomination Process. Brookings Institution Press.

Cita Chicago Style (17a ed.)

Springer, Melanie J., y Steven S. Smith. Reforming the Presidential Nomination Process. Washington, D.C.: Brookings Institution Press, 2009.

Cita MLA (8a ed.)

Springer, Melanie J., y Steven S. Smith. Reforming the Presidential Nomination Process. Brookings Institution Press, 2009.