Cita APA (7a ed.)
Illingworth, R. (1974). The child at school: A pediatrician's manual for teachers.
Cita estilo Chicago (17a ed.)
Illingworth, Ronald. The Child at School: A Pediatrician's Manual for Teachers. 1974.
Cita MLA (9a ed.)
Illingworth, Ronald. The Child at School: A Pediatrician's Manual for Teachers. 1974.
Precaución: Estas citas no son 100% exactas.