APA (7th ed.) Citation

Killingsworth, M. (1994). Circle within a circle (1. ed.). McElderry [u.a.].

Chicago Style (17th ed.) Citation

Killingsworth, Monte. Circle Within a Circle. 1. ed. New York: McElderry [u.a.], 1994.

MLA (9th ed.) Citation

Killingsworth, Monte. Circle Within a Circle. 1. ed. McElderry [u.a.], 1994.