Cita APA (7a ed.)

Brown, R., Daniels, C., & Wroughton, J. (1981). Twentieth-century Europe (1. publ.). Macmillan.

Cita Chicago Style (17a ed.)

Brown, Richard, Christopher Daniels, y John Wroughton. Twentieth-century Europe. 1. publ. Basingstoke [u.a.]: Macmillan, 1981.

Cita MLA (9a ed.)

Brown, Richard, et al. Twentieth-century Europe. 1. publ. Macmillan, 1981.