To cite package ‘morrowplots’ in publications use:

Caldrone S, Imker H, Henry J (2025). morrowplots: Historical Agricultural Data from the University of Illinois. R package version 0.2.0.9000, https://github.com/sandical/morrowplots.

Corresponding BibTeX entry:

  @Manual{,
    title = {morrowplots: Historical Agricultural Data from the
      University of Illinois},
    author = {Sandi Caldrone and Heidi Imker and Josh Henry},
    year = {2025},
    note = {R package version 0.2.0.9000},
    url = {https://github.com/sandical/morrowplots},
  }