Cita APA (7a ed.)

Wells, E. S. (1997). Use of feral cats in psychotherapy. [s.n.].

Cita Chicago Style (17a ed.)

Wells, Eileen S. Use of Feral Cats in Psychotherapy. [S.l.]: [s.n.], 1997.

Cita MLA (9a ed.)

Wells, Eileen S. Use of Feral Cats in Psychotherapy. [s.n.], 1997.