Preface: Special issue on papers from the conference "Semigroups and Groups, Automata, Logics" SandGAL 2019.

MLA

Frigeri, Achille, et al. “Preface: Special Issue on Papers from the Conference ‘Semigroups and Groups, Automata, Logics’ SandGAL 2019.” International Journal of Algebra & Computation, vol. 31, no. 6, Sept. 2021, pp. 983–84. EBSCOhost, https://doi.org/10.1142/S021819672102001X.

APA

Frigeri, A., Gould, V., Longobardi, P., & Rodaro, E. (2021). Preface: Special issue on papers from the conference “Semigroups and Groups, Automata, Logics” SandGAL 2019. International Journal of Algebra & Computation, 31(6), 983–984. https://doi.org/10.1142/S021819672102001X

Chicago

Frigeri, Achille, Victoria Gould, Patrizia Longobardi, and Emanuele Rodaro. 2021. “Preface: Special Issue on Papers from the Conference ‘Semigroups and Groups, Automata, Logics’ SandGAL 2019.” International Journal of Algebra & Computation 31 (6): 983–84. doi:10.1142/S021819672102001X.