APA
World Health Organization & UNICEF, . (1978). Primary health care no.1. World Health Organization, Geneva: .
Chicago
World Health Organization & UNICEF, . 1978. Primary health care no.1. World Health Organization, Geneva: .
Harvard
World Health Organization & UNICEF, . (1978). Primary health care no.1. World Health Organization, Geneva: .
MLA
World Health Organization & UNICEF, . Primary health care no.1. World Health Organization, Geneva: . 1978.