Cita APA (7a ed.)
BULLOCK, L., & ET AL. (2001). RETROSPECTIVE STUDY OF THE ASSOCIATION OF STRESS AND SMOKING DURING PREGNANCY IN RURAL WOMEN.
Cita Chicago Style (17a ed.)
BULLOCK, L.F.C, y ET AL. RETROSPECTIVE STUDY OF THE ASSOCIATION OF STRESS AND SMOKING DURING PREGNANCY IN RURAL WOMEN. 2001.
Cita MLA (9a ed.)
BULLOCK, L.F.C, y ET AL. RETROSPECTIVE STUDY OF THE ASSOCIATION OF STRESS AND SMOKING DURING PREGNANCY IN RURAL WOMEN. 2001.
Precaución: Estas citas no son 100% exactas.