APA (7th ed.) Citation

Gorakala, S. K., & Usuelli, M. (2015). Building a recommendation system with R: Learn the art of building robust and powerful recommendation engines using R (1st edition.). Packt Publishing.

Chicago Style (17th ed.) Citation

Gorakala, Suresh K., and Michele Usuelli. Building a Recommendation System with R: Learn the Art of Building Robust and Powerful Recommendation Engines Using R. 1st edition. Birmingham: Packt Publishing, 2015.

MLA (9th ed.) Citation

Gorakala, Suresh K., and Michele Usuelli. Building a Recommendation System with R: Learn the Art of Building Robust and Powerful Recommendation Engines Using R. 1st edition. Packt Publishing, 2015.

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