APA (7th ed.) Citation

Roy, F. H. (1997). Ocular differential diagnosis (6. ed.). Williams & Wilkins.

Chicago Style (17th ed.) Citation

Roy, Frederick Hampton. Ocular Differential Diagnosis. 6. ed. Baltimore [u.a.]: Williams & Wilkins, 1997.

MLA (9th ed.) Citation

Roy, Frederick Hampton. Ocular Differential Diagnosis. 6. ed. Williams & Wilkins, 1997.