APA
Frank R. G., Meara Ellen & National Bureau Of Economic Research. (2009). The effect of maternal depression and substance abuse on chi. Cambridge: NBER.
Chicago
Frank Richard G, Meara Ellen and National Bureau Of Economic Research. 2009. The effect of maternal depression and substance abuse on chi. Cambridge: NBER.
Harvard
Frank R. G., Meara Ellen and National Bureau Of Economic Research. (2009). The effect of maternal depression and substance abuse on chi. Cambridge: NBER.
MLA
Frank Richard G, Meara Ellen and National Bureau Of Economic Research. The effect of maternal depression and substance abuse on chi. Cambridge: NBER. 2009.