Cita APA (7a ed.)

Powell, C. (2001). Contingency fees. [s.n.].

Cita Chicago Style (17a ed.)

Powell, Carol. Contingency Fees. [S.l.]: [s.n.], 2001.

Cita MLA (9a ed.)

Powell, Carol. Contingency Fees. [s.n.], 2001.