APA (7th ed.) Citation

British Museum. (1928). Summary Guide to the Exhibition Galleries of the British Museum. The Trustees of the British Museum.

Chicago Style (17th ed.) Citation

British Museum. Summary Guide to the Exhibition Galleries of the British Museum. London: The Trustees of the British Museum, 1928.

MLA (8th ed.) Citation

British Museum. Summary Guide to the Exhibition Galleries of the British Museum. The Trustees of the British Museum, 1928.