To cite cfda, use:
Cristian Preda, Quentin Grimonprez, Vincent Vandewalle (2021). “Categorical Functional Data Analysis. The cfda R Package.” Mathematics, 9(23). doi:10.3390/math9233074, https://www.mdpi.com/2227-7390/9/23/3074.
Corresponding BibTeX entry:
@Article{, title = {Categorical Functional Data Analysis. The cfda R Package}, author = {{Cristian Preda} and {Quentin Grimonprez} and {Vincent Vandewalle}}, journal = {Mathematics}, year = {2021}, volume = {9}, number = {23}, url = {https://www.mdpi.com/2227-7390/9/23/3074}, doi = {10.3390/math9233074}, }