APA (7th ed.) Citation

Stephens, A. (1963). Between matter and principle: Poems. A. Swallow.

Chicago Style (17th ed.) Citation

Stephens, Alan. Between Matter and Principle: Poems. Denver: A. Swallow, 1963.

MLA (9th ed.) Citation

Stephens, Alan. Between Matter and Principle: Poems. A. Swallow, 1963.