Cita APA (7a ed.)
(1987). World Health Statistics Annual 1987 (1. ed.). World Health Organization.
Cita Chicago Style (17a ed.)
World Health Statistics Annual 1987. 1. ed. Genéve: World Health Organization, 1987.
Cita MLA (9a ed.)
World Health Statistics Annual 1987. 1. ed. World Health Organization, 1987.
Precaución: Estas citas no son 100% exactas.