Cita APA (7th ed.)

Hamel, C. J., & Ryan-Jones, D. L. (1998). Internet companion for abnormal psychology. Longman.

Cita Chicago (17th ed.)

Hamel, Cheryl J., i David L. Ryan-Jones. Internet Companion for Abnormal Psychology. New York: Longman, 1998.

Cita MLA (9th ed.)

Hamel, Cheryl J., i David L. Ryan-Jones. Internet Companion for Abnormal Psychology. Longman, 1998.