Acha, P. N., & Szyfres, B. (2001). Zoonoses and communicable diseases common to man and animals (Third edition.). Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization.
Chicago Style (17th ed.) CitationAcha, Pedro N., and Boris Szyfres. Zoonoses and Communicable Diseases Common to Man and Animals. Third edition. Washington, D.C., U.S.A.: Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization, 2001.
MLA (9th ed.) CitationAcha, Pedro N., and Boris Szyfres. Zoonoses and Communicable Diseases Common to Man and Animals. Third edition. Pan American Health Organization, Pan American Sanitary Bureau, Regional Office of the World Health Organization, 2001.