Cita APA (7a ed.)

Howell, S. N. G., Patteson, J. B., & Shearwater, D. (2012). Petrels, albatrosses, and storm-petrels of North America: A photographic guide. Princeton University Press.

Cita Chicago Style (17a ed.)

Howell, Steve N. G., J. Brian Patteson, y Debra Shearwater. Petrels, Albatrosses, and Storm-petrels of North America: A Photographic Guide. Princeton: Princeton University Press, 2012.

Cita MLA (9a ed.)

Howell, Steve N. G., et al. Petrels, Albatrosses, and Storm-petrels of North America: A Photographic Guide. Princeton University Press, 2012.