Cita APA (7a ed.)

Gee, H. (1996). Before the backbone: Views on the origin of the vertebrates. Chapman & Hall.

Cita Chicago Style (17a ed.)

Gee, Henry. Before the Backbone: Views on the Origin of the Vertebrates. London: Chapman & Hall, 1996.

Cita MLA (9a ed.)

Gee, Henry. Before the Backbone: Views on the Origin of the Vertebrates. Chapman & Hall, 1996.