Cita APA (7a ed.)

Shackelford, C. E., Klym, C. M., & Lindsay, M. M. (2009). Hummingbirds of Texas: With Their New Mexico and Arizona Ranges. Texas A & M University Press.

Cita Chicago Style (17a ed.)

Shackelford, Clifford Eugene, C. Mark Klym, y Madge M. Lindsay. Hummingbirds of Texas: With Their New Mexico and Arizona Ranges. College Station, TX: Texas A & M University Press, 2009.

Cita MLA (8a ed.)

Shackelford, Clifford Eugene, et al. Hummingbirds of Texas: With Their New Mexico and Arizona Ranges. Texas A & M University Press, 2009.