APA Edition Citation

Harmer, S. F. (1968). Cambrigde natural history, Vol.01: Protozoa, Porifera, Coelenterata and ctenophora, Echinodermata.

Chicago Edition Citation

Harmer, S F. Cambrigde Natural History, Vol.01: Protozoa, Porifera, Coelenterata and Ctenophora, Echinodermata. Wheldon and Wesley Ltd., England, 1968.

MLA Edition Citation

Harmer, S F. Cambrigde Natural History, Vol.01: Protozoa, Porifera, Coelenterata and Ctenophora, Echinodermata. 1968.

Warning: These citations may not always be 100% accurate.