Cita APA (7a ed.)
Castro Sánchez, M. A., Lipe, B. E., Molina Castellón, E. A., & Salazar Murcia, P. A. (2006). Pregnancy is the principal reason why students dropped out studying the english major in the University of El Salvador during the years 2002, 2003 and 2004. Universidad de El Salvador.
Cita Chicago Style (17a ed.)
Castro Sánchez, Mario Antonio, Balmore Ernesto Lipe, Edwin Antonio Molina Castellón, y Pedro Antonio Salazar Murcia. Pregnancy Is the Principal Reason Why Students Dropped Out Studying the English Major in the University of El Salvador During the Years 2002, 2003 and 2004. San Salvador: Universidad de El Salvador, 2006.
Cita MLA (9a ed.)
Castro Sánchez, Mario Antonio, et al. Pregnancy Is the Principal Reason Why Students Dropped Out Studying the English Major in the University of El Salvador During the Years 2002, 2003 and 2004. Universidad de El Salvador, 2006.
Precaución: Estas citas no son 100% exactas.