APA Format
World Health Organization (WHO) . (). Exercise tests in relation to cardiovascular function, TRS.388. : Geneva WHO 1968
MLA Format
World Health Organization (WHO) . Exercise tests in relation to cardiovascular function, TRS.388. : Geneva WHO 1968,
Australian/Harvard Format
World Health Organization (WHO) . . Exercise tests in relation to cardiovascular function, TRS.388. Geneva WHO 1968, 
Warning: These citations may not always be 100% accurate.