APA (7th ed.) Citation

Norman, J. R. (1951). A history of fishes (4th ed.). Ernest Benn.

Chicago Style (17th ed.) Citation

Norman, John Roxborough. A History of Fishes. 4th ed. London: Ernest Benn, 1951.

MLA (9th ed.) Citation

Norman, John Roxborough. A History of Fishes. 4th ed. Ernest Benn, 1951.

Warning: These citations may not always be 100% accurate.