To cite malariaAtlas in publications, please use following citation.
However, this citation should only be used to indicate how the data was
accessed. Citations for the datasets themselves can be found within the
downloaded data.

  Pfeffer, D.A., Lucas, T.C., May, D., Harris, J., Rozier, J., Twohig,
  K.A., Dalrymple, U., Guerra, C.A., Moyes, C.L., Thorn, M., Nguyen,
  M., et al. 2018. malariaAtlas: an R interface to global malariometric
  data hosted by the Malaria Atlas Project. Malaria Journal, 17(1),
  p.352.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Daniel Pfeffer and Tim Lucas and Daniel May and Joseph Harris and Jennifer Rozier and Katherine Twohig and Ursula Dalrymple and Carlos Guerra and Catherine Moyes and Mike Thorn and Michele Nguyen and Samir Bhatt and Ewan Cameron and Daniel Weiss and Rosalind Howes and Katherine Battle and Harry Gibson and Peter Gething},
    journal = {Malaria Journal},
    volume = {17},
    number = {1},
    title = {malariaAtlas: an R interface to global malariometric data hosted by the Malaria Atlas Project.},
    pages = {352},
    year = {2018},
    doi = {10.1186/s12936-018-2500-5},
    publisher = {BioMed},
  }