Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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