Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Norman, J. R. A History of Fishes. 4a. ed. Nueva York: Ernest Benn, 1951.

Cita MLA (9th ed.)

Norman, J. R. A History of Fishes. 4a. ed. Ernest Benn, 1951.