Linda Perkowski. (2013). Critical Synthesis Package: Patient Health Questionnaire (PHQ-9). Association of American Medical Colleges.
Chicago Style (17th ed.) CitationLinda Perkowski. Critical Synthesis Package: Patient Health Questionnaire (PHQ-9). Association of American Medical Colleges, 2013.
MLA (9th ed.) CitationLinda Perkowski. Critical Synthesis Package: Patient Health Questionnaire (PHQ-9). Association of American Medical Colleges, 2013.
Warning: These citations may not always be 100% accurate.