To cite package ‘ResistanceGA2’ in publications use:

  Peterman W, Connette G, Semlitsch R, Eggert L (2014). “Ecological
  resistance surfaces predict fine-scale genetic differentiation in a
  terrestrial woodland salamander.” _Molecular Ecology_, *23*(10),
  2402-2413. doi:10.1111/mec.12747 <https://doi.org/10.1111/mec.12747>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Ecological resistance surfaces predict fine-scale genetic differentiation in a terrestrial woodland salamander},
    author = {William E. Peterman and Grant M. Connette and Raymond D. Semlitsch and Lori S. Eggert},
    journal = {Molecular Ecology},
    year = {2014},
    volume = {23},
    number = {10},
    pages = {2402--2413},
    doi = {10.1111/mec.12747},
  }

  Peterman W (2018). “ResistanceGA: An R package for the optimization
  of resistance surfaces using genetic algorithms.” _Methods in Ecology
  and Evolution_, *9*, 1638-1647. doi:10.1111/2041-210X.12984
  <https://doi.org/10.1111/2041-210X.12984>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ResistanceGA: An R package for the optimization of resistance surfaces using genetic algorithms},
    author = {William E. Peterman},
    journal = {Methods in Ecology and Evolution},
    year = {2018},
    volume = {9},
    pages = {1638--1647},
    doi = {10.1111/2041-210X.12984},
  }