APA Style
Organization, W, H. (1997).
Dengue Haemorrhagic Fever : Diagnosis, Treatment, Prevention and Control (2nd ed.).
Geneva:
World Health Organization.
MLA Style
Organization, World, Health.
"Dengue Haemorrhagic Fever : Diagnosis, Treatment, Prevention and Control".
2nd ed.
Geneva:
World Health Organization,
1997.
print.