Παραπομπή σε μορφή APA (7η εκδ.)

(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.).

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.