Citação norma APA

Skolik, S. A., & Caspers, L. E. (2013). Proliferative diabetic retinopathy in long-term diabetic patients with and without clinical osteoarthritis. Nature Publishing Group.

Citação norma Chicago

Skolik, S A., and L E. Caspers. Proliferative Diabetic Retinopathy in Long-term Diabetic Patients With and Without Clinical Osteoarthritis. Nature Publishing Group, 2013.

Citação norma MLA

Skolik, S A., and L E. Caspers. Proliferative Diabetic Retinopathy in Long-term Diabetic Patients With and Without Clinical Osteoarthritis. Nature Publishing Group, 2013.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.