Cita APA (7a ed.)

Pearl, E. (2007). Open problems in topology II. Elsevier.

Cita Chicago Style (17a ed.)

Pearl, Elliott. Open Problems in Topology II. Amsterdam [etc.]: Elsevier, 2007.

Cita MLA (9a ed.)

Pearl, Elliott. Open Problems in Topology II. Elsevier, 2007.