Cita APA (7a ed.)
Irwin, J. V., & Marge, M. (1972). Principles of childhood language disabilities.
Cita estilo Chicago (17a ed.)
Irwin, John V., y Michael Marge. Principles of Childhood Language Disabilities. 1972.
Cita MLA (9a ed.)
Irwin, John V., y Michael Marge. Principles of Childhood Language Disabilities. 1972.
Precaución: Estas citas no son 100% exactas.