Cita APA

Stengelhofen, J., Davies, C. L., & Grunwell, P. (1973). Speech defects in children.

Citación estilo Chicago

Stengelhofen, J., C L. Davies, y P. Grunwell. Speech Defects in Children. 1973.

Cita MLA

Stengelhofen, J., C L. Davies, y P. Grunwell. Speech Defects in Children. 1973.