APA

Hocking J. G., . (1961). Topology. Massachusetts: Addison-Wesley.

Chicago

Hocking John G, . 1961. Topology. Massachusetts: Addison-Wesley.

Harvard

Hocking J. G., . (1961). Topology. Massachusetts: Addison-Wesley.

MLA

Hocking John G, . Topology. Massachusetts: Addison-Wesley. 1961.