Cita APA (7a ed.)

Epstein, N. B., & Westley, W. A. (1960). Parental interaction as related to the emotional health of children. [s.n.].

Cita Chicago Style (17a ed.)

Epstein, Nathan B., y William A. Westley. Parental Interaction as Related to the Emotional Health of Children. [S.l.]: [s.n.], 1960.

Cita MLA (9a ed.)

Epstein, Nathan B., y William A. Westley. Parental Interaction as Related to the Emotional Health of Children. [s.n.], 1960.