Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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