Παραπομπή APA

Woodcock, A. E. R., & Poston, T. (1974). Geometrical study of the elementary catastrophes.

Παραπομπή Chicago Style

Woodcock, A E R., και T. Poston. Geometrical Study of the Elementary Catastrophes. Springer-Verlag, Berlin, 1974.

Παραπομπή MLA

Woodcock, A E R., και T. Poston. Geometrical Study of the Elementary Catastrophes. 1974.