APA (7th ed.) Citation

Lo, C. P., & Yeung, A. K. W. (2002). Concepts and techniques of geographic information systems. Prentice Hall.

Chicago Style (17th ed.) Citation

Lo, Chor P., and Albert K. W. Yeung. Concepts and Techniques of Geographic Information Systems. Upper Saddle River, NJ: Prentice Hall, 2002.

MLA (9th ed.) Citation

Lo, Chor P., and Albert K. W. Yeung. Concepts and Techniques of Geographic Information Systems. Prentice Hall, 2002.