APA (7th ed.) Citation

Scudder, S. H., Davis, W. M., Woodworth, C. W., Howard, L. O., Riley, C. V., & Williston, S. W. (1888). The butterflies of the Eastern United States and Canada: With special reference to New England. [Samuel Hubbard Scudder].

Chicago Style (17th ed.) Citation

Scudder, Samuel Hubbard, William Morris Davis, C. W. Woodworth, L. O. Howard, Charles V. Riley, and Samuel Wendell Williston. The Butterflies of the Eastern United States and Canada: With Special Reference to New England. [Cambridge]: [Samuel Hubbard Scudder], 1888.

MLA (9th ed.) Citation

Scudder, Samuel Hubbard, et al. The Butterflies of the Eastern United States and Canada: With Special Reference to New England. [Samuel Hubbard Scudder], 1888.