APA (7th ed.) Citation

Howard-Williams, J., Peckar, C., Holman, R., Turner, R., & Bron, A. (1986). Quantifying early diabetic retinopathy. Springer-Verlag.

Chicago Style (17th ed.) Citation

Howard-Williams, JR, C. Peckar, R. Holman, R. Turner, and A. Bron. Quantifying Early Diabetic Retinopathy. Springer-Verlag, 1986.

MLA (9th ed.) Citation

Howard-Williams, JR, et al. Quantifying Early Diabetic Retinopathy. Springer-Verlag, 1986.