Cita APA

Collins, A. S. (1960). English literature of the twentieth century (4th ed.). University Tutorial press.

Citación estilo Chicago

Collins, A. S. English Literature of the Twentieth Century. 4th ed. London: University Tutorial press, 1960.

Cita MLA

Collins, A. S. English Literature of the Twentieth Century. 4th ed. University Tutorial press, 1960.