APA引文

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引文

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

警告：這些引文格式不一定是100％准確.