Cita APA (7a ed.)

Harris, J., Crook, J. M., & Harris, E. (1970). Sir William Chambers: Knight of the Polar Star. Zwemmer.

Cita Chicago Style (17a ed.)

Harris, John, J. Mordaunt Crook, y Eileen Harris. Sir William Chambers: Knight of the Polar Star. London: Zwemmer, 1970.

Cita MLA (9a ed.)

Harris, John, et al. Sir William Chambers: Knight of the Polar Star. Zwemmer, 1970.