To cite stampr in publications use:

Long J, Robertson C and Nelson T (2018). “stampr: Spatial-Temporal Analysis of Moving Polygons in R.” Journal of Statistical Software, Code Snippets, 84(1), pp. 1–19. doi: 10.18637/jss.v084.c01.

Corresponding BibTeX entry:

  @Article{,
    title = {{stampr}: Spatial-Temporal Analysis of Moving Polygons in
      {R}},
    author = {Jed Long and Colin Robertson and Trisalyn Nelson},
    journal = {Journal of Statistical Software, Code Snippets},
    year = {2018},
    volume = {84},
    number = {1},
    pages = {1--19},
    doi = {10.18637/jss.v084.c01},
  }