APA (7th ed.) Citation

Ore, O., & Ore, O. a. W. (1990). Graphs and their uses. Mathematical Association of America.

Chicago Style (17th ed.) Citation

Ore, Oystein, and Oystein. and Wilson Ore. Graphs and Their Uses. Washington: Mathematical Association of America, 1990.

MLA (9th ed.) Citation

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