APA Style

WHO, . (1999). GEMS/Food Total Diet Studies : Report of a joint USFDA/WHO international workshop on total diet studies in cooperation with the pan American Health Organization. Missouri, 26 July - 6 August 1999 . Geneva: World Health Organization.

MLA Style

WHO, . "GEMS/Food Total Diet Studies : Report of a joint USFDA/WHO international workshop on total diet studies in cooperation with the pan American Health Organization. Missouri, 26 July - 6 August 1999". Geneva: World Health Organization, 1999. print.