Cita APA (7a ed.)

Snedecor, G. W., & Cochran, W. G. (1967). Statistical methods (6th ed.). Iowa State University Press.

Cita Chicago Style (17a ed.)

Snedecor, George Waddel, y William G. Cochran. Statistical Methods. 6th ed. Ames: Iowa State University Press, 1967.

Cita MLA (9a ed.)

Snedecor, George Waddel, y William G. Cochran. Statistical Methods. 6th ed. Iowa State University Press, 1967.