APA (7th ed.) Citation

Wolny, P. (2012). Foursquare and other location-based services: Checking in, staying safe and being savvy. The Rosen Publlishing Group Inc..

Chicago Style (17th ed.) Citation

Wolny, Philip. Foursquare and Other Location-based Services: Checking in, Staying Safe and Being Savvy. New York: The Rosen Publlishing Group Inc., 2012.

MLA (9th ed.) Citation

Wolny, Philip. Foursquare and Other Location-based Services: Checking in, Staying Safe and Being Savvy. The Rosen Publlishing Group Inc., 2012.

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