Cita APA (7a ed.)

(1967). Echinoderm biology: The proceedings of a symposium held at the Zoological Society of London on 25 and 26 May 1966 (Symposia of the Zoological Society of London No. 20.).

Cita Chicago Style (17a ed.)

Echinoderm Biology: The Proceedings of a Symposium Held at the Zoological Society of London on 25 and 26 May 1966. Symposia of the Zoological Society of London No. 20. London ; The Zoological Society of London by Academic Press, 1967.

Cita MLA (9a ed.)

Echinoderm Biology: The Proceedings of a Symposium Held at the Zoological Society of London on 25 and 26 May 1966. Symposia of the Zoological Society of London No. 20. 1967.