APA (7th ed.) Citation

(1929). Some publications on Echinoderms (starfish, synaptas, trepang, et cetera). [publisher not identified].

Chicago Style (17th ed.) Citation

Some Publications on Echinoderms (starfish, Synaptas, Trepang, Et Cetera). Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Some Publications on Echinoderms (starfish, Synaptas, Trepang, Et Cetera). [publisher not identified], 1929.

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