APA (7th ed.) Citation

Venables, W. N., & Smith, D. M. (2001). An introduction to R: Notes on R: a programming environment for data analysis and graphics version 1.4.1. Network Theory.

Chicago Style (17th ed.) Citation

Venables, William N., and D. M. Smith. An Introduction to R: Notes on R: A Programming Environment for Data Analysis and Graphics Version 1.4.1. Bristol: Network Theory, 2001.

MLA (9th ed.) Citation

Venables, William N., and D. M. Smith. An Introduction to R: Notes on R: A Programming Environment for Data Analysis and Graphics Version 1.4.1. Network Theory, 2001.