APA (7th ed.) Citation

Leisle R. I. & Rizhakova N. K. (2012). Geographic Information Systems (GIS). 2012.

Chicago Style (17th ed.) Citation

Leisle R. I. and Rizhakova N. K. Geographic Information Systems (GIS). 2012, 2012.

MLA (9th ed.) Citation

Leisle R. I. and Rizhakova N. K. Geographic Information Systems (GIS). 2012, 2012.

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