APA (7th ed.) Citation

Williams, O. (1946). A little treasury of modern poetry, English & American. C. Scribner's sons.

Chicago Style (17th ed.) Citation

Williams, Oscar. A Little Treasury of Modern Poetry, English & American. New York: C. Scribner's sons, 1946.

MLA (9th ed.) Citation

Williams, Oscar. A Little Treasury of Modern Poetry, English & American. C. Scribner's sons, 1946.