Cita APA (7a ed.)

Isbell, D., & Strom, S. (2009). Observatories of the Southwest: A Guide for Curious Skywatchers. University of Arizona Press.

Cita Chicago Style (17a ed.)

Isbell, Douglas, y Stephen Strom. Observatories of the Southwest: A Guide for Curious Skywatchers. Tucson: University of Arizona Press, 2009.

Cita MLA (8a ed.)

Isbell, Douglas, y Stephen Strom. Observatories of the Southwest: A Guide for Curious Skywatchers. University of Arizona Press, 2009.