Cita APA

Ekwall, E. E., & Shanker, J. (1993). Locating and correcting reading difficulties (6. edition.). Nueva York: Macmillan.

Citación estilo Chicago

Ekwall, Eldon E., y James Shanker. Locating and Correcting Reading Difficulties. 6. edition. Nueva York: Macmillan, 1993.

Cita MLA

Ekwall, Eldon E., y James Shanker. Locating and Correcting Reading Difficulties. 6. edition. Nueva York: Macmillan, 1993.