Cita APA (7a ed.)

Stephenson, T., Hamilton, C., & Whittle, S. (2013). The Warbler Guide. Princeton University Press.

Cita Chicago Style (17a ed.)

Stephenson, Tom, Catherine Hamilton, y Scott Whittle. The Warbler Guide. Princeton: Princeton University Press, 2013.

Cita MLA (8a ed.)

Stephenson, Tom, et al. The Warbler Guide. Princeton University Press, 2013.