APA (7th ed.) Citation

Stansfield, C. A., & Westby, J. (1999). GeoTutor: Building geographic literacy (Version 1.0.). Prentice Hall.

Chicago Style (17th ed.) Citation

Stansfield, Charles A., and Jerry Westby. GeoTutor: Building Geographic Literacy. Version 1.0. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA (9th ed.) Citation

Stansfield, Charles A., and Jerry Westby. GeoTutor: Building Geographic Literacy. Version 1.0. Prentice Hall, 1999.