Cita APA (7a ed.)

Killingray, D., Yapp, M., Killingray, M., & O'Connor, E. (1976). A world economy (1. publ.). Harrap.

Cita Chicago Style (17a ed.)

Killingray, David, Malcolm Yapp, Margaret Killingray, y Edmund O'Connor. A World Economy. 1. publ. London: Harrap, 1976.

Cita MLA (9a ed.)

Killingray, David, et al. A World Economy. 1. publ. Harrap, 1976.