APA (7th ed.) Citation

Parker, G. H. (1948). Animal colour changes and their neurohumours: A survey of investigations, 1910-1943. Camb. U.P..

Chicago Style (17th ed.) Citation

Parker, George Howard. Animal Colour Changes and Their Neurohumours: A Survey of Investigations, 1910-1943. Camb.: Camb. U.P., 1948.

MLA (8th ed.) Citation

Parker, George Howard. Animal Colour Changes and Their Neurohumours: A Survey of Investigations, 1910-1943. Camb. U.P., 1948.