Cita APA (7th ed.)

Tompkins, G. E. (1999). Update to literacy for the 21st century: A balanced approach. Prentice Hall.

Cita Chicago (17th ed.)

Tompkins, Gail E. Update to Literacy for the 21st Century: A Balanced Approach. Upper Saddle River, N.J: Prentice Hall, 1999.

Cita MLA (9th ed.)

Tompkins, Gail E. Update to Literacy for the 21st Century: A Balanced Approach. Prentice Hall, 1999.