Citazione Stile APA (7a Edizione)

O'NEIL, P. V. (1972). Fundamental concepts of topology. Gordon and Breach.

Citazione stile Chigago Style (17a edizione)

O'NEIL, Peter V. Fundamental Concepts of Topology. New York: Gordon and Breach, 1972.

Citatione MLA (9a ed.)

O'NEIL, Peter V. Fundamental Concepts of Topology. Gordon and Breach, 1972.