APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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