Cita APA (7a ed.)

Morgan, S., & Morgan, S. (2003). Phobia: A reassessment. Karnac.

Cita Chicago Style (17a ed.)

Morgan, Sian, y Siân Morgan. Phobia: A Reassessment. London ; New York: Karnac, 2003.

Cita MLA (9a ed.)

Morgan, Sian, y Siân Morgan. Phobia: A Reassessment. Karnac, 2003.