APA (7th ed.) Citation

Harvard University Library, Tillinghast, W. H., & Welsh, C. (1968). Catalogue of English and American chapbooks and broadside ballads in Harvard College Library. Singing Tree Press.

Chicago Style (17th ed.) Citation

Harvard University Library, William H. Tillinghast, and Charles Welsh. Catalogue of English and American Chapbooks and Broadside Ballads in Harvard College Library. Detroit: Singing Tree Press, 1968.

MLA (9th ed.) Citation

Harvard University Library, et al. Catalogue of English and American Chapbooks and Broadside Ballads in Harvard College Library. Singing Tree Press, 1968.