APA

Belsley D. A., Kuh E. & Welsch R. E. (1980). Regression diagnostics: identifying influential data and sources of collinearity. New York: Wiley.

Chicago

Belsley David A, Kuh Edwin and Welsch Roy E. 1980. Regression diagnostics: identifying influential data and sources of collinearity. New York: Wiley.

Harvard

Belsley D. A., Kuh E. and Welsch R. E. (1980). Regression diagnostics: identifying influential data and sources of collinearity. New York: Wiley.

MLA

Belsley David A, Kuh Edwin and Welsch Roy E. Regression diagnostics: identifying influential data and sources of collinearity. New York: Wiley. 1980.