Citazione APA

Gamelin, T. W., & Greene, R. E. (1983). Introduction to topology.

Stile di citazione Chicago

Gamelin, Theodore W., e Robert Everist Greene. Introduction to Topology. Saunders College Publishing, New York, 1983.

Citazione MLA

Gamelin, Theodore W., e Robert Everist Greene. Introduction to Topology. 1983.