APA (7th ed.) Citation

LM, P., LA, Z., E, Y., & NC, F. (2011). Understanding the relationship between co-occurring PTSD and MDD: Symptom severity and affect. Journal of anxiety disorders, 25(8), 1123. https://doi.org/10.1016/j.janxdis.2011.08.003

Chicago Style (17th ed.) Citation

LM, Post, Zoellner LA, Youngstrom E, and Feeny NC. "Understanding the Relationship Between Co-occurring PTSD and MDD: Symptom Severity and Affect." Journal of Anxiety Disorders 25, no. 8 (2011): 1123. https://doi.org/10.1016/j.janxdis.2011.08.003.

MLA (9th ed.) Citation

LM, Post, et al. "Understanding the Relationship Between Co-occurring PTSD and MDD: Symptom Severity and Affect." Journal of Anxiety Disorders, vol. 25, no. 8, 2011, p. 1123, https://doi.org/10.1016/j.janxdis.2011.08.003.