Cita APA (7th ed.)

Seifert, H., & Threlfall, W. (1980). A textbook of topology. Academic Press.

Cita Chicago (17th ed.)

Seifert, Herbert, i William Threlfall. A Textbook of Topology. Nueva York: Academic Press, 1980.

Cita MLA (9th ed.)

Seifert, Herbert, i William Threlfall. A Textbook of Topology. Academic Press, 1980.