Cita APA (7a ed.)

Bertin, L. (1956). Eels: A biological study. Cleaver-Hume Press.

Cita Chicago Style (17a ed.)

Bertin, Leon. Eels: A Biological Study. London: Cleaver-Hume Press, 1956.

Cita MLA (9a ed.)

Bertin, Leon. Eels: A Biological Study. Cleaver-Hume Press, 1956.