APA (7th ed.) Citation

Gibson, W. M., & Arms, G. (1971). A bibliography of William Dean Howells. New York Public Library.

Chicago Style (17th ed.) Citation

Gibson, William M., and George Arms. A Bibliography of William Dean Howells. New York: New York Public Library, 1971.

MLA (9th ed.) Citation

Gibson, William M., and George Arms. A Bibliography of William Dean Howells. New York Public Library, 1971.