Sommer, A. (1982). Field guide to the detection and control of xerophthalmia (2nd ed.). World Health Organization.
Chicago Style (17th ed.) CitationSommer, Alfred. Field Guide to the Detection and Control of Xerophthalmia. 2nd ed. Geneva: World Health Organization, 1982.
MLA (9th ed.) CitationSommer, Alfred. Field Guide to the Detection and Control of Xerophthalmia. 2nd ed. World Health Organization, 1982.
Warning: These citations may not always be 100% accurate.