Cita APA (7a ed.)
LEWIS, D., & ET AL. (1990). COST ANALYSIS OF SPECIAL SCHOOLS FOR STUDENTS WITH MENTAL RETARDATION.
Cita Chicago Style (17a ed.)
LEWIS, D.R, y ET AL. COST ANALYSIS OF SPECIAL SCHOOLS FOR STUDENTS WITH MENTAL RETARDATION. 1990.
Cita MLA (9a ed.)
LEWIS, D.R, y ET AL. COST ANALYSIS OF SPECIAL SCHOOLS FOR STUDENTS WITH MENTAL RETARDATION. 1990.
Precaución: Estas citas no son 100% exactas.