APA (7th ed.) Citation

Williams, W. C. (1970). White mule / William Carlos Williams. Penguin.

Chicago Style (17th ed.) Citation

Williams, William Carlos. White Mule / William Carlos Williams. Penguin, 1970.

MLA (9th ed.) Citation

Williams, William Carlos. White Mule / William Carlos Williams. Penguin, 1970.

Warning: These citations may not always be 100% accurate.