Παραπομπή σε μορφή APA (7η εκδ.)

Zetsche, U., Ehring, T., & Ehlers, A. (2009). The effects of rumination on mood and intrusive memories after exposure to traumatic material: An experimental study.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zetsche, U., T. Ehring, και A. Ehlers. The Effects of Rumination on Mood and Intrusive Memories After Exposure to Traumatic Material: An Experimental Study. 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Zetsche, U., et al. The Effects of Rumination on Mood and Intrusive Memories After Exposure to Traumatic Material: An Experimental Study. 2009.