APA (7th ed.) Citation

Sadler, G. (1991). Twentieth-century western writers (2nd ed.). St. James Press.

Chicago Style (17th ed.) Citation

Sadler, Geoffrey. Twentieth-century Western Writers. 2nd ed. Chicago and London: St. James Press, 1991.

MLA (8th ed.) Citation

Sadler, Geoffrey. Twentieth-century Western Writers. 2nd ed. St. James Press, 1991.