Cita APA

Gemignani, M. C., & Gemignani, M. C. (1990). Elementary topology (2. edition.). New York: Dover.

Citación estilo Chicago

Gemignani, Michael C., y Michael C. Gemignani. Elementary Topology. 2. edition. New York: Dover, 1990.

Cita MLA

Gemignani, Michael C., y Michael C. Gemignani. Elementary Topology. 2. edition. New York: Dover, 1990.