Cita APA (7a ed.)

Williams, W. C. (1967). The collected later poems of William. New Directions.

Cita Chicago Style (17a ed.)

Williams, William Carlos. The Collected Later Poems of William. New York: New Directions, 1967.

Cita MLA (9a ed.)

Williams, William Carlos. The Collected Later Poems of William. New Directions, 1967.