APA引文

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.

MLA引文

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

警告：這些引文格式不一定是100％准確.