Simpson, A., Currid, C. C., & Gillett, C. A. (1989). Power user's guide to R: BASE. SYBEX.
Chicago Style (17th ed.) CitationSimpson, Alan, Cheryl C. Currid, and Craig A. Gillett. Power User's Guide to R: BASE. San Francisco: SYBEX, 1989.
MLA (8th ed.) CitationSimpson, Alan, et al. Power User's Guide to R: BASE. SYBEX, 1989.
Warning: These citations may not always be 100% accurate.