Newland, D. E., Tomlinson, D., Swash, A., & Still, R. (2020). Britain's Butterflies: A Field Guide to the Butterflies of Great Britain and Ireland - Fully Revised and Updated Fourth Edition (Fourth edition, fully revised and updated.). Princeton University Press.
Cita Chicago Style (17a ed.)Newland, D. E., David Tomlinson, Andy Swash, y Rob Still. Britain's Butterflies: A Field Guide to the Butterflies of Great Britain and Ireland - Fully Revised and Updated Fourth Edition. Fourth edition, fully revised and updated. Princeton, New Jersey: Princeton University Press, 2020.
Cita MLA (8a ed.)Newland, D. E., et al. Britain's Butterflies: A Field Guide to the Butterflies of Great Britain and Ireland - Fully Revised and Updated Fourth Edition. Fourth edition, fully revised and updated. Princeton University Press, 2020.