APA (7th ed.) Citation

Montgomery-Massingberd, H., Watkin, D., & Collie, K. (1980). The London Ritz: A social and architectural history. Aurum Press.

Chicago Style (17th ed.) Citation

Montgomery-Massingberd, Hugh, David Watkin, and Keith Collie. The London Ritz: A Social and Architectural History. London: Aurum Press, 1980.

MLA (9th ed.) Citation

Montgomery-Massingberd, Hugh, et al. The London Ritz: A Social and Architectural History. Aurum Press, 1980.