Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.