APA (7th ed.) Citation

Montgomery-Massingberd, H., & Williamson, D. (1977). Burke's royal families of the world. Burke's Peerage.

Chicago Style (17th ed.) Citation

Montgomery-Massingberd, Hugh, and David Williamson. Burke's Royal Families of the World. London: Burke's Peerage, 1977.

MLA (9th ed.) Citation

Montgomery-Massingberd, Hugh, and David Williamson. Burke's Royal Families of the World. Burke's Peerage, 1977.