Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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