APA (7th ed.) Citation

Facts on File, Inc, & Kimmelman, B. (2005). The Facts on File companion to 20th-century poetry. Facts on File.

Chicago Style (17th ed.) Citation

Facts on File, Inc, and Burt Kimmelman. The Facts on File Companion to 20th-century Poetry. New York: Facts on File, 2005.

MLA (9th ed.) Citation

Facts on File, Inc, and Burt Kimmelman. The Facts on File Companion to 20th-century Poetry. Facts on File, 2005.