Blackett, D. W. (1983). Elementary topology: A combinatorial and algebraic approach. Academic Press.
Chicago Style (17th ed.) CitationBlackett, Donald W. Elementary Topology: A Combinatorial and Algebraic Approach. London: Academic Press, 1983.
MLA (9th ed.) CitationBlackett, Donald W. Elementary Topology: A Combinatorial and Algebraic Approach. Academic Press, 1983.