APA (7th ed.) Citation

Lawrence, J. M. (1987). A functional biology of echinoderms. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Lawrence, John M. A Functional Biology of Echinoderms. Baltimore: Johns Hopkins University Press, 1987.

MLA (9th ed.) Citation

Lawrence, John M. A Functional Biology of Echinoderms. Johns Hopkins University Press, 1987.