APA (7th ed.) Citation

Roby, A. Q. (1974). Sea urchin. Milton House Books.

Chicago Style (17th ed.) Citation

Roby, Adelaide Q. Sea Urchin. Aylesbury: Milton House Books, 1974.

MLA (8th ed.) Citation

Roby, Adelaide Q. Sea Urchin. Milton House Books, 1974.

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