APA (7th ed.) Citation

Chadwyck-Healey, Inc. (1990). 20th century English poetry. Chadwyck-Healey, Inc..

Chicago Style (17th ed.) Citation

Chadwyck-Healey, Inc. 20th Century English Poetry. [Alexandria, Va.]: Chadwyck-Healey, Inc., 1990.

MLA (9th ed.) Citation

Chadwyck-Healey, Inc. 20th Century English Poetry. Chadwyck-Healey, Inc., 1990.

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