Cita APA (7a ed.)

Thompson, D., & Warner, G. (1982). England in the Twentieth century: (1914-79). Penguin Books.

Cita Chicago Style (17a ed.)

Thompson, David, y Geoffrey Warner. England in the Twentieth Century: (1914-79). Harmondsworth: Penguin Books, 1982.

Cita MLA (8a ed.)

Thompson, David, y Geoffrey Warner. England in the Twentieth Century: (1914-79). Penguin Books, 1982.