ScienceDirect (Online service), Dirac, G., & Andersen, L. D. (1989). Graph theory in memory of G.A. Dirac. North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co..
Chicago Style (17th ed.) CitationScienceDirect (Online service), Gabriel Dirac, and Lars Døvling Andersen. Graph Theory in Memory of G.A. Dirac. Amsterdam ; New York : New York, N.Y., U.S.A.: North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1989.
MLA (9th ed.) CitationScienceDirect (Online service), et al. Graph Theory in Memory of G.A. Dirac. North-Holland ; Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co., 1989.
Warning: These citations may not always be 100% accurate.