Cita APA (7a ed.)

Postman, L. J., & Underwood, B. J. (1973). Critical issues in interference theory. [s.n.].

Cita Chicago Style (17a ed.)

Postman, Leo Joseph, y Benton J. Underwood. Critical Issues in Interference Theory. [S.l.]: [s.n.], 1973.

Cita MLA (9a ed.)

Postman, Leo Joseph, y Benton J. Underwood. Critical Issues in Interference Theory. [s.n.], 1973.