APA (7th ed.) Citation

Open University. (1973). Metric space axioms: Continuity and equivalence. Open University Press.

Chicago Style (17th ed.) Citation

Open University. Metric Space Axioms: Continuity and Equivalence. Bletchley: Open University Press, 1973.

MLA (8th ed.) Citation

Open University. Metric Space Axioms: Continuity and Equivalence. Open University Press, 1973.