APA

Venables W., Smith, . (2009). An introduction to R : a programming environment for data analysis and graphics for version 2.9.0 [2nd ed.]. [USA]: Network Theory.

Chicago

Venables W.N, Smith, . 2009. An introduction to R : a programming environment for data analysis and graphics for version 2.9.0 [2nd ed.]. [USA]: Network Theory.

Harvard

Venables W., Smith, . (2009). An introduction to R : a programming environment for data analysis and graphics for version 2.9.0 [2nd ed.]. [USA]: Network Theory.

MLA

Venables W.N, Smith, . An introduction to R : a programming environment for data analysis and graphics for version 2.9.0 [2nd ed.]. [USA]: Network Theory. 2009.