APA (7th ed.) Citation

Williams, O. (1952). Immortal poems of the English language: An anthology. Pocket Books.

Chicago Style (17th ed.) Citation

Williams, Oscar. Immortal Poems of the English Language: An Anthology. New York: Pocket Books, 1952.

MLA (8th ed.) Citation

Williams, Oscar. Immortal Poems of the English Language: An Anthology. Pocket Books, 1952.