Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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