Cita APA

Willard, S., & Willard, S. (1970). General topology. Reading, Mass.: Addison-Wesley.

Citación estilo Chicago

Willard, Stephen, y Stephen Willard. General Topology. Reading, Mass.: Addison-Wesley, 1970.

Cita MLA

Willard, Stephen, y Stephen Willard. General Topology. Reading, Mass.: Addison-Wesley, 1970.