Cita APA (7th ed.)

Armstrong, D. M., Fitzgerald, J. P., & Meaney, C. A. (2011). Mammals of Colorado (2nd ed.). Denver Museum of Nature & Science ; University Press of Colorado.

Cita Chicago (17th ed.)

Armstrong, David Michael, James P. Fitzgerald, i Carron A. Meaney. Mammals of Colorado. 2nd ed. Denver : Boulder: Denver Museum of Nature & Science ; University Press of Colorado, 2011.

Cita MLA (9th ed.)

Armstrong, David Michael, et al. Mammals of Colorado. 2nd ed. Denver Museum of Nature & Science ; University Press of Colorado, 2011.