ZEEMAN, E. (1978). Catastrophe theory: Selected papers. Addison-Wesley.
Cita Chicago (17th ed.)ZEEMAN, E.C. Catastrophe Theory: Selected Papers. Reading, Mass: Addison-Wesley, 1978.
Cita MLA (9th ed.)ZEEMAN, E.C. Catastrophe Theory: Selected Papers. Addison-Wesley, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.