APA način citiranja

Kirsch-Darrow, L., Fernandez, H., Marsiske, M., Okun, M., & Bowers, D. (2006). Dissociating apathy and depression in Parkinson disease.

Čikaški stil citiranja

Kirsch-Darrow, L., H.F Fernandez, M. Marsiske, M.S Okun, i D. Bowers. Dissociating Apathy and Depression in Parkinson Disease. 2006.

MLA način citiranja

Kirsch-Darrow, L., et al. Dissociating Apathy and Depression in Parkinson Disease. 2006.