Cita APA (7a ed.)

Middlemiss, W. (1996). Parental educational program: Effectiveness and retention. [s.n.].

Cita Chicago Style (17a ed.)

Middlemiss, Wendy. Parental Educational Program: Effectiveness and Retention. [S.l.]: [s.n.], 1996.

Cita MLA (9a ed.)

Middlemiss, Wendy. Parental Educational Program: Effectiveness and Retention. [s.n.], 1996.

Precaución: Estas citas no son 100% exactas.