APA

Park J. M., Park L. T., Siefert C. J., Abraham M. E., Fry C. R. & Silvert M. S. (20090904). Factors associated with extended length of stay for patients presenting to an urban psychiatric emergency service: a case-control study. : The journal of behavioral health services & research.

Chicago

Park Jennifer M, Park Lawrence T, Siefert Caleb J, Abraham Melissa E, Fry Christine R and Silvert Mark S. 20090904. Factors associated with extended length of stay for patients presenting to an urban psychiatric emergency service: a case-control study. : The journal of behavioral health services & research.

Harvard

Park J. M., Park L. T., Siefert C. J., Abraham M. E., Fry C. R. and Silvert M. S. (20090904). Factors associated with extended length of stay for patients presenting to an urban psychiatric emergency service: a case-control study. : The journal of behavioral health services & research.

MLA

Park Jennifer M, Park Lawrence T, Siefert Caleb J, Abraham Melissa E, Fry Christine R and Silvert Mark S. Factors associated with extended length of stay for patients presenting to an urban psychiatric emergency service: a case-control study. : The journal of behavioral health services & research. 20090904.