APA Edition Citation

Koopmans, L. H. (1987). Introdution to contemporary statistical methods (Ed.2.).

Chicago Edition Citation

Koopmans, Lambet H. Introdution to Contemporary Statistical Methods. Ed.2. Boston, Duxbury Press, 1987.

MLA Edition Citation

Koopmans, Lambet H. Introdution to Contemporary Statistical Methods. Ed.2. 1987.