APA (7th ed.) Citation

Pettem, S., & Leyendecker, L. E. (2006). Boulder: Evolution of a city (Revised edition.). University Press of Colorado.

Chicago Style (17th ed.) Citation

Pettem, Silvia, and Liston E. Leyendecker. Boulder: Evolution of a City. Revised edition. Boulder, Colorado: University Press of Colorado, 2006.

MLA (8th ed.) Citation

Pettem, Silvia, and Liston E. Leyendecker. Boulder: Evolution of a City. Revised edition. University Press of Colorado, 2006.