Cita APA (7a ed.)
ebrary, Inc, Connor, C., Lofthouse, B., Southworth, G., & Dadds, M. (1990). Perspectives (2nd ed.). Falmer Press.
Cita Chicago Style (17a ed.)
ebrary, Inc, Colin Connor, Brenda Lofthouse, Geoff Southworth, y Marion Dadds. Perspectives. 2nd ed. London ; New York: Falmer Press, 1990.
Cita MLA (9a ed.)
ebrary, Inc, et al. Perspectives. 2nd ed. Falmer Press, 1990.
Precaución: Estas citas no son 100% exactas.