APA (7th ed.) Citation

British Museum Natural History. (1959). A handbook on evolution (2. enlarged ed.). Trustees of the British Museum.

Chicago Style (17th ed.) Citation

British Museum Natural History. A Handbook on Evolution. 2. enlarged ed. London: Trustees of the British Museum, 1959.

MLA (9th ed.) Citation

British Museum Natural History. A Handbook on Evolution. 2. enlarged ed. Trustees of the British Museum, 1959.