APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Parker, George Howard. Animal Colour Changes and Their Neurohumours: A Survey of Investigations, 1910-1943. Cambridge [England]: Univ. Press, 1948.

MLA (9th ed.) Citation

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