Cita APA (7a ed.)
LEVY, J., & ET AL. (1998). FROM THE 60S INTO THE 80S: AN INTERNATIONAL ASSESSMENT OF ATTITUDES AND SERVICES FOR THE DEVELOPMENTALLY DISABLED. YOUNG ADULT INSTITUTE AND WORKSHOP, INC.
Cita Chicago Style (17a ed.)
LEVY, J.M, y ET AL. FROM THE 60S INTO THE 80S: AN INTERNATIONAL ASSESSMENT OF ATTITUDES AND SERVICES FOR THE DEVELOPMENTALLY DISABLED. NUEVA YORK: YOUNG ADULT INSTITUTE AND WORKSHOP, INC, 1998.
Cita MLA (9a ed.)
LEVY, J.M, y ET AL. FROM THE 60S INTO THE 80S: AN INTERNATIONAL ASSESSMENT OF ATTITUDES AND SERVICES FOR THE DEVELOPMENTALLY DISABLED. YOUNG ADULT INSTITUTE AND WORKSHOP, INC, 1998.
Precaución: Estas citas no son 100% exactas.