APA (7th ed.) Citation

Urrets-Zavalia, A. (1977). Diabetic retinopathy. Masson.

Chicago Style (17th ed.) Citation

Urrets-Zavalia, Alberto. Diabetic Retinopathy. Paris [etc.]: Masson, 1977.

MLA (9th ed.) Citation

Urrets-Zavalia, Alberto. Diabetic Retinopathy. Masson, 1977.

Warning: These citations may not always be 100% accurate.