APA (7th ed.) Citation

Henle, M. (1979). A combinatorial introduction to topology. Dover.

Chicago Style (17th ed.) Citation

Henle, Michael. A Combinatorial Introduction to Topology. New York: Dover, 1979.

MLA (8th ed.) Citation

Henle, Michael. A Combinatorial Introduction to Topology. Dover, 1979.

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