APA (7th ed.) Citation

Löwe, B., Wahl, I., Rose, M., Spitzer, C., Glaesmer, H., Wingenfeld, K., . . . Brähler, E. (2010). A 4-item measure of depression and anxiety: Validation and standardization of the Patient Health Questionnaire-4 (PHQ-4) in the general population. Journal of affective disorders, 122(1/2), . https://doi.org/10.1016/j.jad.2009.06.019

Chicago Style (17th ed.) Citation

Löwe, Bernd, Inka Wahl, Matthias Rose, Carsten Spitzer, Heide Glaesmer, Katja Wingenfeld, Antonius Schneider, and Elmar Brähler. "A 4-item Measure of Depression and Anxiety: Validation and Standardization of the Patient Health Questionnaire-4 (PHQ-4) in the General Population." Journal of Affective Disorders 122, no. 1/2 (2010). https://doi.org/10.1016/j.jad.2009.06.019.

MLA (9th ed.) Citation

Löwe, Bernd, et al. "A 4-item Measure of Depression and Anxiety: Validation and Standardization of the Patient Health Questionnaire-4 (PHQ-4) in the General Population." Journal of Affective Disorders, vol. 122, no. 1/2, 2010, https://doi.org/10.1016/j.jad.2009.06.019.