Cita APA (7a ed.)

Hume, R., Tipling, D., Harrop, H., Swash, A., & Still, R. (2016). Britain's Birds: An Identification Guide to the Birds of Britain and Ireland. Princeton University Press.

Cita Chicago Style (17a ed.)

Hume, Rob, David Tipling, Hugh Harrop, Andy Swash, y Robert Still. Britain's Birds: An Identification Guide to the Birds of Britain and Ireland. Princeton, NJ: Princeton University Press, 2016.

Cita MLA (8a ed.)

Hume, Rob, et al. Britain's Birds: An Identification Guide to the Birds of Britain and Ireland. Princeton University Press, 2016.