Cita APA (7a ed.)

Killingray, M., Yapp, M., & O'Connor, E. (1974). Agricultural revolution (1. publ.). Harrap.

Cita Chicago Style (17a ed.)

Killingray, Margaret, Malcolm Yapp, y Edmund O'Connor. Agricultural Revolution. 1. publ. London: Harrap, 1974.

Cita MLA (9a ed.)

Killingray, Margaret, et al. Agricultural Revolution. 1. publ. Harrap, 1974.