APA引文

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

芝加哥风格引文

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

MLA引文

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

警告:这些引文格式不一定是100%准确.