APA (7th ed.) Citation

Glassberg, J. (2017). A Swift Guide to Butterflies of North America: Second Edition (Second edition.). Princeton University Press.

Chicago Style (17th ed.) Citation

Glassberg, Jeffrey. A Swift Guide to Butterflies of North America: Second Edition. Second edition. Princeton, NJ: Princeton University Press, 2017.

MLA (8th ed.) Citation

Glassberg, Jeffrey. A Swift Guide to Butterflies of North America: Second Edition. Second edition. Princeton University Press, 2017.