Cita APA (7a ed.)

Webster, F., & Webster, M. S. (2001). The Road to El Cielo: Mexico's Forest in the Clouds. University of Texas Press.

Cita Chicago Style (17a ed.)

Webster, Fred, y Marie S. Webster. The Road to El Cielo: Mexico's Forest in the Clouds. Austin: University of Texas Press, 2001.

Cita MLA (8a ed.)

Webster, Fred, y Marie S. Webster. The Road to El Cielo: Mexico's Forest in the Clouds. University of Texas Press, 2001.