APA (7th ed.) Citation

Ore, Ø. (1990). Graphs and their uses. Mathematical Association of America.

Chicago Style (17th ed.) Citation

Ore, Øystein. Graphs and Their Uses. Washington, DC: Mathematical Association of America, 1990.

MLA (9th ed.) Citation

Ore, Øystein. Graphs and Their Uses. Mathematical Association of America, 1990.