APA (7th ed.) Citation

Scudder, S. H. A Study of the Caterpillars of North American Swallowtail Butterflies —II. Wiley.

Chicago Style (17th ed.) Citation

Scudder, Samuel H. A Study of the Caterpillars of North American Swallowtail Butterflies —II. Wiley.

MLA (9th ed.) Citation

Scudder, Samuel H. A Study of the Caterpillars of North American Swallowtail Butterflies —II. Wiley.

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