APA Edition Citation

Nichols, D. (1969). Echinoderms (Ed. 4.).

Chicago Edition Citation

Nichols, David. Echinoderms. Ed. 4. London, Hutchinson University Library, 1969.

MLA Edition Citation

Nichols, David. Echinoderms. Ed. 4. 1969.

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