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.

Corresponding BibTeX entry:

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