APA (7th ed.) Citation

Harary, F., Norman, R. Z., & Cartwright, D. (1966). Structural models: An introduction to the theory of directed graphs (2. print.). Wiley.

Chicago Style (17th ed.) Citation

Harary, Frank, Robert Z. Norman, and Dorwin Cartwright. Structural Models: An Introduction to the Theory of Directed Graphs. 2. print. New York [u.a.]: Wiley, 1966.

MLA (9th ed.) Citation

Harary, Frank, et al. Structural Models: An Introduction to the Theory of Directed Graphs. 2. print. Wiley, 1966.