एपीए उद्धरण

Pakter, J., Harris, D., & Nelson, F. (1971). Surveillance of abortion program in New York City.

शिकागो स्टाइल उद्धरण

Pakter, J., D. Harris, और F. Nelson. Surveillance of Abortion Program in New York City. 1971.

एमएलए उद्धरण

Pakter, J., D. Harris, और F. Nelson. Surveillance of Abortion Program in New York City. 1971.