APA-viite

Christensen, J. P. R. (1974). Topology and borel structure. North-Holland Publishing Company.

Chicago-tyylinen lähdeviittaus

Christensen, J P R. Topology and Borel Structure. Amsterdam: North-Holland Publishing Company, 1974.

MLA-viite

Christensen, J P R. Topology and Borel Structure. North-Holland Publishing Company, 1974.