Royston, E., & Armstrong, S. (1989). Preventing maternal deaths. World Health Organization.
Chicago Style (17th ed.) CitationRoyston, Erica, and Sue Armstrong. Preventing Maternal Deaths. Geneva: World Health Organization, 1989.
MLA (9th ed.) CitationRoyston, Erica, and Sue Armstrong. Preventing Maternal Deaths. World Health Organization, 1989.
Warning: These citations may not always be 100% accurate.