Cita APA (7a ed.)

DeMarco, N., & Radway, R. (1997). The Twentieth century world (1. publ.). Thornes.

Cita Chicago Style (17a ed.)

DeMarco, Neil, y Richard Radway. The Twentieth Century World. 1. publ. Cheltenham: Thornes, 1997.

Cita MLA (9a ed.)

DeMarco, Neil, y Richard Radway. The Twentieth Century World. 1. publ. Thornes, 1997.