Cita APA (7th ed.)

Gay, D. (2007). Explorations in topology: Map coloring, surfaces, and knots. Elsevier Academic Press.

Cita Chicago (17th ed.)

Gay, David. Explorations in Topology: Map Coloring, Surfaces, and Knots. Amsterdam, Boston: Elsevier Academic Press, 2007.

Cita MLA (9th ed.)

Gay, David. Explorations in Topology: Map Coloring, Surfaces, and Knots. Elsevier Academic Press, 2007.