Cita APA (7a ed.)

Patrick, J., Packham, M., & Bird, S. (1987). The age of Empire: The British overseas 1700 - 1900 (1. publ.). Murray.

Cita Chicago Style (17a ed.)

Patrick, John, Mollie Packham, y Susan Bird. The Age of Empire: The British Overseas 1700 - 1900. 1. publ. London: Murray, 1987.

Cita MLA (9a ed.)

Patrick, John, et al. The Age of Empire: The British Overseas 1700 - 1900. 1. publ. Murray, 1987.