APA Citatie

Levin, B. E., Llabre, M. M., & Weiner, W. J. (1988). Parkinson's disease and depression: Psychometric properties of the Beck Depression Inventory.

Chicago Style citaat

Levin, B E., M M. Llabre, en W J. Weiner. Parkinson's Disease and Depression: Psychometric Properties of the Beck Depression Inventory. 1988.

MLA citatie

Levin, B E., M M. Llabre, en W J. Weiner. Parkinson's Disease and Depression: Psychometric Properties of the Beck Depression Inventory. 1988.