Cita APA

Engelking, R., & Sieklucki, K. (1968). Ountline of general topology. North Holland.

Chicago Edition Citation

Engelking, R., i K. Sieklucki. Ountline of General Topology. Amsterdam: North Holland, 1968.

Cita MLA

Engelking, R., i K. Sieklucki. Ountline of General Topology. North Holland, 1968.