Gaya APA

Spencer, W. (1986). Opthalmic Pathology an Atlas and Textbook. Vol.3 (3rd.ed). Philadelphia: W.B. Saunders.

Gaya MLA

Spencer, William. "Opthalmic Pathology an Atlas and Textbook. Vol.3". 3rd.ed Philadelphia: W.B. Saunders, 1986. print.