APA (7th ed.) Citation

Koopmans, L. H. (1981). An Introduction to Contemporary Statistics. Duxbury Press.

Chicago Style (17th ed.) Citation

Koopmans, Lambert H. An Introduction to Contemporary Statistics. Boston, Mass.: Duxbury Press, 1981.

MLA (9th ed.) Citation

Koopmans, Lambert H. An Introduction to Contemporary Statistics. Duxbury Press, 1981.

Warning: These citations may not always be 100% accurate.