APA
IMMUNIZATION NEWSLETTER. 525 Twenty-third Street, N.W., Washington, D.C. 20US: Pan American Health Organization Immunization Unit.
Chicago
IMMUNIZATION NEWSLETTER. 525 Twenty-third Street, N.W., Washington, D.C. 20US: Pan American Health Organization Immunization Unit.
Harvard
IMMUNIZATION NEWSLETTER. 525 Twenty-third Street, N.W., Washington, D.C. 20US: Pan American Health Organization Immunization Unit.
MLA
525 Twenty-third Street, N.W., Washington, D.C. 20US: Pan American Health Organization Immunization Unit. .