Cita APA

Wittenberg, W. (1980). A prescriptive spelling program (Teacher's ed.). Barnell Loft.

Citación estilo Chicago

Wittenberg, William. A Prescriptive Spelling Program. Teacher's ed. Baldwin, N.Y.: Barnell Loft, 1980.

Cita MLA

Wittenberg, William. A Prescriptive Spelling Program. Teacher's ed. Barnell Loft, 1980.

Warning: These citations may not always be 100% accurate.