Cita APA (7a ed.)

LU, Y. C. (1976). Singularity theory and an introduction to catastrophe theory. Springer-Verlag.

Cita Chicago Style (17a ed.)

LU, Yung Chen. Singularity Theory and an Introduction to Catastrophe Theory. New york: Springer-Verlag, 1976.

Cita MLA (9a ed.)

LU, Yung Chen. Singularity Theory and an Introduction to Catastrophe Theory. Springer-Verlag, 1976.