APA (7th ed.) Citation

Williams, W. C., & Thirlwall, J. C. (1957). The selected letters of William Carlos Williams. McDowell, Obolensky.

Chicago Style (17th ed.) Citation

Williams, William Carlos, and John C. Thirlwall. The Selected Letters of William Carlos Williams. New York: McDowell, Obolensky, 1957.

MLA (9th ed.) Citation

Williams, William Carlos, and John C. Thirlwall. The Selected Letters of William Carlos Williams. McDowell, Obolensky, 1957.