APA Style
Organization, W, H. (2001).
Summary Surveillance of Risk Factors for Noncommunicable Diseases : The WHO STEPwise Approach .
Geneva:
WHO.
MLA Style
Organization, World, Health.
"Summary Surveillance of Risk Factors for Noncommunicable Diseases : The WHO STEPwise Approach".
Geneva:
WHO,
2001.
print.