Citação norma APA

Roberts, F. S. (1978). Graph theory and its applications to problems of society. Society for Industrial and Applied Mathematics.

Citação norma Chicago

Roberts, Fred S. Graph Theory and Its Applications to Problems of Society. Philadelphia: Society for Industrial and Applied Mathematics, 1978.

Citação norma MLA

Roberts, Fred S. Graph Theory and Its Applications to Problems of Society. Society for Industrial and Applied Mathematics, 1978.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.