Cita APA (7th ed.)

Lawrence, J. M. (1987). A Functional biology of echinoderms. Croom Helm.

Cita Chicago (17th ed.)

Lawrence, John M. A Functional Biology of Echinoderms. London: Croom Helm, 1987.

Cita MLA (9th ed.)

Lawrence, John M. A Functional Biology of Echinoderms. Croom Helm, 1987.