Cita APA (7th ed.)

Hackmann, A., Ehlers, A., Speckens, A., & Clark, D. (2004). Characteristics and content of intrusive memories in PTSD and their changes with treatment.

Cita Chicago (17th ed.)

Hackmann, A., A. Ehlers, A. Speckens, i D. Clark. Characteristics and Content of Intrusive Memories in PTSD and Their Changes with Treatment. 2004.

Cita MLA (9th ed.)

Hackmann, A., et al. Characteristics and Content of Intrusive Memories in PTSD and Their Changes with Treatment. 2004.