APA (7th ed.) Citation

Salkovskis, P., & Clark, D. (1991). Cognitive therapy for panic attacks.

Chicago Style (17th ed.) Citation

Salkovskis, P., and D. Clark. Cognitive Therapy for Panic Attacks. 1991.

MLA (9th ed.) Citation

Salkovskis, P., and D. Clark. Cognitive Therapy for Panic Attacks. 1991.

Warning: These citations may not always be 100% accurate.