APA (7th ed.) Citation

Newton, L. (1931). A handbook of the British seaweeds. The Trustees of the British Museum.

Chicago Style (17th ed.) Citation

Newton, Lily. A Handbook of the British Seaweeds. London, U.K: The Trustees of the British Museum, 1931.

MLA (9th ed.) Citation

Newton, Lily. A Handbook of the British Seaweeds. The Trustees of the British Museum, 1931.