A textbook of ophthalmology /
by Sanford R. Gifford.

APA Citation

Gifford, S. R. (Sanford Robinson). (1941). A textbook of ophthalmology. 2d ed., rev. Philadelphia: Saunders.

MLA Citation

Gifford, Sanford R. (Sanford Robinson), 1892-1944. A Textbook of Ophthalmology. 2d ed., rev. Philadelphia: Saunders, 1941.

Warning: These citations may not always be complete (especially for serials).