Cita APA (7a ed.)

Ore, O. (1967). Theory of graphs (1a ed.). University College, Cardiff.

Cita Chicago Style (17a ed.)

Ore, O. Theory of Graphs. 1a ed. Providence: University College, Cardiff, 1967.

Cita MLA (9a ed.)

Ore, O. Theory of Graphs. 1a ed. University College, Cardiff, 1967.