Cita APA (7a ed.)

Hornstein, H. A. (1976). Cruelty and kindness: A new look at agression and altruism. Prentice-Hall.

Cita Chicago Style (17a ed.)

Hornstein, Harvey A. Cruelty and Kindness: A New Look at Agression and Altruism. Englewood Cliffs, N. J: Prentice-Hall, 1976.

Cita MLA (9a ed.)

Hornstein, Harvey A. Cruelty and Kindness: A New Look at Agression and Altruism. Prentice-Hall, 1976.