APA (7th ed.) Citation

Matthias, J. (1971). 23 modern British poets. Swallow Press.

Chicago Style (17th ed.) Citation

Matthias, John. 23 Modern British Poets. Chicago: Swallow Press, 1971.

MLA (9th ed.) Citation

Matthias, John. 23 Modern British Poets. Swallow Press, 1971.

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