Cita APA (7a ed.)

Sundling, V., Gulbrandsen, P., Jervell, J., & Straand, J. (2008). Care of vision and ocular health in diabetic members of a national diabetes organization: A cross-sectional study. BioMed Central.

Cita Chicago Style (17a ed.)

Sundling, Vibeke, Pål Gulbrandsen, Jak Jervell, y Jørund Straand. Care of Vision and Ocular Health in Diabetic Members of a National Diabetes Organization: A Cross-sectional Study. BioMed Central, 2008.

Cita MLA (8a ed.)

Sundling, Vibeke, et al. Care of Vision and Ocular Health in Diabetic Members of a National Diabetes Organization: A Cross-sectional Study. BioMed Central, 2008.