APA-viite (7. p.)

Sayed, T. A., Mahmoud, O. A. A., & Hadad, S. (2022). Early versus late onset depression: Sociodemographic and clinical characteristics. SpringerOpen.

Chicago-viite (17. p.)

Sayed, Taher Abdelraheem, Osama Abd Alreheem Mahmoud, ja Saber Hadad. Early Versus Late Onset Depression: Sociodemographic and Clinical Characteristics. SpringerOpen, 2022.

MLA-viite (9. p.)

Sayed, Taher Abdelraheem, et al. Early Versus Late Onset Depression: Sociodemographic and Clinical Characteristics. SpringerOpen, 2022.