To cite the 'msir' package in publications use:
Scrucca, L. (2011) Model-based {SIR} for dimension reduction. Computational Statistics & Data Analysis, 5(11), 3010-3026.
Corresponding BibTeX entry:
@Article{, title = {Model-based SIR for dimension reduction}, author = {Luca Scrucca}, journal = {Computational Statistics \& Data Analysis}, year = {2011}, volume = {5}, number = {11}, pages = {3010--3026}, }