APA Edition Citation

Prithvish Nag & Smita Sengupta. (2008). Introduction to geographical information system. Concept.

Chicago Edition Citation

Prithvish Nag and Smita Sengupta. Introduction to Geographical Information System. Newdelhi: Concept, 2008.

MLA Edition Citation

Prithvish Nag and Smita Sengupta. Introduction to Geographical Information System. Concept, 2008.

Warning: These citations may not always be 100% accurate.