To cite the nlreg package in publications use:
Brazzale AR (2005). “hoa: An R package bundle for higher order likelihood inference.” Rnews, 5/1 May 2005, 20–27. ISSN 609-3631, https://www.r-project.org/doc/Rnews/Rnews_2005-1.pdf.
Examples of applications, and generally of the use of likelihood asymptotics, are given in Brazzale, A.R., Davison, A.C. and Reid, N. (2007). Applied Asymptotics: Case Studies in Small-Sample Statistics. Cambridge University Press, Cambridge. URL http://statwww.epfl.ch/AA/
Corresponding BibTeX entry:
@Article{, title = {{hoa}: {An} {R} package bundle for higher order likelihood inference}, author = {Alessandra R. Brazzale}, journal = {Rnews}, volume = {5/1 {May} 2005}, year = {2005}, pages = {20--27}, note = {{ISSN} 609-3631}, url = {https://www.r-project.org/doc/Rnews/Rnews_2005-1.pdf}, }