APA (7th ed.) Citation

Barsch, J., & Creson, B. (1980). Spelling plus. Academic Therapy Publications.

Chicago Style (17th ed.) Citation

Barsch, Jeffery, and Betty Creson. Spelling Plus. Novato, Calif.: Academic Therapy Publications, 1980.

MLA (9th ed.) Citation

Barsch, Jeffery, and Betty Creson. Spelling Plus. Academic Therapy Publications, 1980.