APA (7e ed.) Bronvermelding

Doris, A., Ebmeier, K., & Shajahan, P. (1999). Depressive illness.

Chicago (17e ed.) Bronvermelding

Doris, A., K. Ebmeier, en P. Shajahan. Depressive Illness. 1999.

MLA (9e ed.) Bronvermelding

Doris, A., et al. Depressive Illness. 1999.