APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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