APA Edition Citation

Robinson, D. F., & Foulds, L. R. (1980). Digraphs: Theory and techniques. Gordon and Breach.

Chicago Edition Citation

Robinson, D. F., and L. R. Foulds. Digraphs: Theory and Techniques. New York: Gordon and Breach, 1980.

MLA Edition Citation

Robinson, D. F., and L. R. Foulds. Digraphs: Theory and Techniques. Gordon and Breach, 1980.

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