Richards, M. C. (1989). Centering in Pottery, Poetry, and the Person: By Mary Caroline Richards (2nd ed.). Wesleyan Univ. Press.
Citazione stile Chigago Style (17a edizione)Richards, Mary Caroline. Centering in Pottery, Poetry, and the Person: By Mary Caroline Richards. 2nd ed. Middletown: Wesleyan Univ. Press, 1989.
Citatione MLA (8a ed.)Richards, Mary Caroline. Centering in Pottery, Poetry, and the Person: By Mary Caroline Richards. 2nd ed. Wesleyan Univ. Press, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.