Παραπομπή σε μορφή APA (7η εκδ.)

Harary, F., Cartwright, D., & Norman, R. Z. (1965). Structural models: An introduction to the theory of directed graphs. Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harary, Frank, Dorwin Cartwright, και Robert Zane Norman. Structural Models: An Introduction to the Theory of Directed Graphs. New York : London: Wiley, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

Harary, Frank, et al. Structural Models: An Introduction to the Theory of Directed Graphs. Wiley, 1965.