APA (7th ed.) Citation

Newland, D. E., Still, R., Swash, A., & Tomlinson, D. (2020). Britain's butterflies: A field guide to the butterflies of Britain and Ireland (Fourth edition, fully revised and updated.). Princeton University Press.

Chicago Style (17th ed.) Citation

Newland, D. E., Rob Still, Andy Swash, and David Tomlinson. Britain's Butterflies: A Field Guide to the Butterflies of Britain and Ireland. Fourth edition, fully revised and updated. Princeton, New Jersey: Princeton University Press, 2020.

MLA (8th ed.) Citation

Newland, D. E., et al. Britain's Butterflies: A Field Guide to the Butterflies of Britain and Ireland. Fourth edition, fully revised and updated. Princeton University Press, 2020.

Warning: These citations may not always be 100% accurate.