To cite multigraph in publications use:

  Ostoic J (2021). _Algebraic Analysis of Social Networks: Models,
  Methods and Applications Using R_, series Wiley Series in
  Computational and Quantitative Social Science. Wiley. ISBN
  9781119250326.

A BibTeX entry for LaTeX users is

  @Book{,
    title = {Algebraic Analysis of Social Networks: Models, Methods and Applications Using R},
    author = {JAR Ostoic},
    publisher = {Wiley},
    year = {2021},
    series = {Wiley Series in Computational and Quantitative Social Science},
    isbn = {9781119250326},
    lccn = {2020025444},
  }
