APA (7th ed.) Citation

(1977). Textbook of ophthalmology (9. ed.). Saunders.

Chicago Style (17th ed.) Citation

Textbook of Ophthalmology. 9. ed. Philadelphia [u.a.]: Saunders, 1977.

MLA (9th ed.) Citation

Textbook of Ophthalmology. 9. ed. Saunders, 1977.