APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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