Παραπομπή APA

Harding, J. P., & Tebble, N. (1963). Speciation in the sea. Systematics association.

Παραπομπή Chicago Style

Harding, J. P., και Norman Tebble. Speciation in the Sea. London: Systematics association, 1963.

Παραπομπή MLA

Harding, J. P., και Norman Tebble. Speciation in the Sea. Systematics association, 1963.