To cite dendroTools in publications use:

Jevsenak J. and Levanic T., 2018. dendroTools: R package for studying linear and nonlinear responses between tree-rings and daily environmental data. Dendrochronologia, 48, 32-39. doi 10.1016/j.dendro.2018.01.005

Corresponding BibTeX entry:

  @Article{,
    title = {{dendroTools}: R package for studying linear and nonlinear
      responses between tree-rings and daily environmental data},
    author = {Jevsenak J. and Levanic T.},
    journal = {Dendrochronologia},
    volume = {48},
    pages = {32-39},
    year = {2018},
    doi = {10.1016/j.dendro.2018.01.005},
  }