APA način citiranja

Verma, L., Prakash, G., & Tewari, H. K. (2002). Diabetic retinopathy: Time for action. No complacency please! World Health Organization.

Čikaški stil citiranja

Verma, Lalit, Gunjan Prakash, i Hem K. Tewari. Diabetic Retinopathy: Time for Action. No Complacency Please! World Health Organization, 2002.

MLA način citiranja

Verma, Lalit, Gunjan Prakash, i Hem K. Tewari. Diabetic Retinopathy: Time for Action. No Complacency Please! World Health Organization, 2002.