APA (7th ed.) Citation

Rexroth, K. (1963). Natural numbers: New and selected poems. New Directions.

Chicago Style (17th ed.) Citation

Rexroth, Kenneth. Natural Numbers: New and Selected Poems. Norfolk, Conn: New Directions, 1963.

MLA (9th ed.) Citation

Rexroth, Kenneth. Natural Numbers: New and Selected Poems. New Directions, 1963.

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