To cite package ‘wktmo’ in publications use:

Li Y (2017). wktmo: Converting Weekly Data to Monthly Data. R package version 1.0.5, https://github.com/leoly2017/wktmo.

Corresponding BibTeX entry:

  @Manual{,
    title = {wktmo: Converting Weekly Data to Monthly Data},
    author = {You Li},
    year = {2017},
    note = {R package version 1.0.5},
    url = {https://github.com/leoly2017/wktmo},
  }