Cita APA (7a ed.)

Pettem, S. (2006). Boulder: Evolution of a City, Revised Edition (Rev. ed.). University Press of Colorado.

Cita Chicago Style (17a ed.)

Pettem, Silvia. Boulder: Evolution of a City, Revised Edition. Rev. ed. Boulder: University Press of Colorado, 2006.

Cita MLA (8a ed.)

Pettem, Silvia. Boulder: Evolution of a City, Revised Edition. Rev. ed. University Press of Colorado, 2006.