Green, M. (1955). Perinatal Mortality in New York City.
Čikaški stil citiranjaGreen, Morris. Perinatal Mortality in New York City. 1955.
MLA način citiranjaGreen, Morris. Perinatal Mortality in New York City. 1955.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.