APA Citation

Gaal, S. A., & Gaal, S. A. (2009). Point set topology. Mineola, N.Y.: Dover.

Chicago Style Citation

Gaal, Steven A., and Steven A. Gaal. Point Set Topology. Mineola, N.Y.: Dover, 2009.

MLA Citation

Gaal, Steven A., and Steven A. Gaal. Point Set Topology. Mineola, N.Y.: Dover, 2009.

Warning: These citations may not always be 100% accurate.