Richards, M. C. (1989). Centering in pottery, poetry, and the person (2nd ed.). Wesleyan University Press.

Richards, Mary Caroline. Centering in Pottery, Poetry, and the Person. 2nd ed. Middletown, Conn.: Wesleyan University Press, 1989.

Richards, Mary Caroline. Centering in Pottery, Poetry, and the Person. 2nd ed. Wesleyan University Press, 1989.