Wickham, H., & Sievert, C. (2016). ggplot2: Elegant graphics for data analysis (Second edition.). Cham, Switzerland: Springer.
Chicago Style CitationWickham, Hadley, and Carson Sievert. Ggplot2: Elegant Graphics for Data Analysis. Second edition. Cham, Switzerland: Springer, 2016.
MLA CitationWickham, Hadley, and Carson Sievert. Ggplot2: Elegant Graphics for Data Analysis. Second edition. Cham, Switzerland: Springer, 2016.
Warning: These citations may not always be 100% accurate.