Cita APA (7a ed.)
AJ, F., & K, J. (2002). The effect of education on backpack wearing and posture in a middle school population. Work, 18(3), 287-295.
Cita Chicago Style (17a ed.)
AJ, Feingold, y Jacobs K. "The Effect of Education on Backpack Wearing and Posture in a Middle School Population." Work 18, no. 3 (2002): 287-295.
Cita MLA (9a ed.)
AJ, Feingold, y Jacobs K. "The Effect of Education on Backpack Wearing and Posture in a Middle School Population." Work, vol. 18, no. 3, 2002, pp. 287-295.
Precaución: Estas citas no son 100% exactas.