Holland, W. J. The Butterfly Book A Popular Guide to a Knowledge of the Butterflies of North America.
Chicago Style (17th ed.) CitationHolland, W. J. The Butterfly Book A Popular Guide to a Knowledge of the Butterflies of North America.
MLA (9th ed.) CitationHolland, W. J. The Butterfly Book A Popular Guide to a Knowledge of the Butterflies of North America.
Warning: These citations may not always be 100% accurate.