Cita APA (7th ed.)

Allred, R. A., & Wolinski, J. T. (1990). McGraw-Hill spelling. McGraw-Hill School Division.

Cita Chicago (17th ed.)

Allred, Ruel A., i John T. Wolinski. McGraw-Hill Spelling. New York: McGraw-Hill School Division, 1990.

Cita MLA (8th ed.)

Allred, Ruel A., i John T. Wolinski. McGraw-Hill Spelling. McGraw-Hill School Division, 1990.