To cite ecoCopula in publications use:

  Popovic, GC, Warton, DI, Thomson, FJ, Hui, FKC, Moles, AT. Untangling
  direct species associations from indirect mediator species effects
  with graphical models. Methods Ecol Evol. 2019; 10: 1571– 1583.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {Untangling direct species associations from indirect mediator species effects with graphical models},
    author = {{Gordana C. Popovic} and {David I. Warton} and {Fiona J. Thomson} and {Angela T. Moles}},
    journal = {Methods in Ecology and Evolution},
    year = {2019},
    volume = {10},
    number = {9},
    pages = {1571 -- 1583},
    doi = {10.1111/2041-210X.13247},
  }