Cita APA (7th ed.)

Cleave, A. (1996). Seashells: A portrait of the animal world. Todtri Productions Ltd.

Cita Chicago (17th ed.)

Cleave, Andrew. Seashells: A Portrait of the Animal World. New York: Todtri Productions Ltd, 1996.

Cita MLA (9th ed.)

Cleave, Andrew. Seashells: A Portrait of the Animal World. Todtri Productions Ltd, 1996.