Cita APA (7a ed.)

Harrison, S. M., & Jones, J. A. P. (1988). World conflict in the twentieth century (1. publ., reprinted.). MacMillan.

Cita Chicago Style (17a ed.)

Harrison, S. M., y J. A. P. Jones. World Conflict in the Twentieth Century. 1. publ., reprinted. London [u.a.]: MacMillan, 1988.

Cita MLA (9a ed.)

Harrison, S. M., y J. A. P. Jones. World Conflict in the Twentieth Century. 1. publ., reprinted. MacMillan, 1988.