Cita APA (7a ed.)

Nietzel, M. T., & Bernstein, D. A. (1987). Introduction to clinical psychology (2. ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Nietzel, Michael T., y Douglas A. Bernstein. Introduction to Clinical Psychology. 2. ed. Englewood Cliffs, N.J: Prentice-Hall, 1987.

Cita MLA (9a ed.)

Nietzel, Michael T., y Douglas A. Bernstein. Introduction to Clinical Psychology. 2. ed. Prentice-Hall, 1987.