Glassberg. A Swift Guide to Butterflies of Mexico and Central America. Princeton University Press.
Chicago Style (17th ed.) CitationGlassberg. A Swift Guide to Butterflies of Mexico and Central America. Princeton University Press.
MLA (8th ed.) CitationGlassberg. A Swift Guide to Butterflies of Mexico and Central America. Princeton University Press.
Warning: These citations may not always be 100% accurate.