APA (7th ed.) Citation

Conover, R. A. (1975). A first course in topology: And introduction to mathematical thinking. Williams and Wilkins.

Chicago Style (17th ed.) Citation

Conover, Robert A. A First Course in Topology: And Introduction to Mathematical Thinking. Baltimore: Williams and Wilkins, 1975.

MLA (9th ed.) Citation

Conover, Robert A. A First Course in Topology: And Introduction to Mathematical Thinking. Williams and Wilkins, 1975.