APA (7th ed.) Citation

Bald, R. C. (1959). Seventeenth-century English poetry. Harper.

Chicago Style (17th ed.) Citation

Bald, R. C. Seventeenth-century English Poetry. New York: Harper, 1959.

MLA (9th ed.) Citation

Bald, R. C. Seventeenth-century English Poetry. Harper, 1959.