APA (7th ed.) Citation

Downey, M. E. (1970). Zorocallida, new order, and Doraster constellatus, new genus and species, with notes on the Zoroasteridae (Echinodermata: Asteroida). Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Downey, Maureen E. Zorocallida, New Order, and Doraster Constellatus, New Genus and Species, with Notes on the Zoroasteridae (Echinodermata: Asteroida). Washington, [D.C]: Smithsonian Institution Press, 1970.

MLA (9th ed.) Citation

Downey, Maureen E. Zorocallida, New Order, and Doraster Constellatus, New Genus and Species, with Notes on the Zoroasteridae (Echinodermata: Asteroida). Smithsonian Institution Press, 1970.