To cite truncSP in publications use:
Maria Karlsson, Anita Lindmark (2014). truncSP: An R Package for Estimation of Semi-Parametric Truncated Linear Regression Models. Journal of Statistical Software, 57(14), 1-19. URL http://www.jstatsoft.org/v57/i14/.
Corresponding BibTeX entry:
@Article{, title = {{truncSP}: An {R} Package for Estimation of Semi-Parametric Truncated Linear Regression Models}, author = {Maria Karlsson and Anita Lindmark}, journal = {Journal of Statistical Software}, year = {2014}, volume = {57}, number = {14}, pages = {1--19}, url = {http://www.jstatsoft.org/v57/i14/}, }