APA (7th ed.) Citation

Harris, J., De Bellaigue, G., Millar, O., Bell, L., Dundas, K., & Newbery, S. (1968). Buckingham Palace. Thomas Nelson and Sons.

Chicago Style (17th ed.) Citation

Harris, John, Geoffrey De Bellaigue, Oliver Millar, Lionel Bell, Kerry Dundas, and Sidney Newbery. Buckingham Palace. London: Thomas Nelson and Sons, 1968.

MLA (9th ed.) Citation

Harris, John, et al. Buckingham Palace. Thomas Nelson and Sons, 1968.