Cita APA

 Gardener, M. (2012).  The Essential R reference.  Wiley Pub., Inc.

Chicago Style Citation

 Gardener, Mark.  The Essential R Reference.  Wiley Pub., Inc, 2012.

Cita MLA

 Gardener, Mark.  The Essential R Reference.  Wiley Pub., Inc, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.