APA (7th ed.) Citation

Cracroft, R. H. (1999). Twentieth-century American western writers. Gale Group.

Chicago Style (17th ed.) Citation

Cracroft, Richard H. Twentieth-century American Western Writers. Detroit, MI: Gale Group, 1999.

MLA (9th ed.) Citation

Cracroft, Richard H. Twentieth-century American Western Writers. Gale Group, 1999.