Cita APA

Snedecor, G. W. n. 1., & Snedecor, G. W. n. 1. (1980). Statistical methods (7. edition --.). Iowa: Iowa State University Press.

Citación estilo Chicago

Snedecor, George Waddel n. 1881, y George Waddel n. 1881 Snedecor. Statistical Methods. 7. edition --. Iowa: Iowa State University Press, 1980.

Cita MLA

Snedecor, George Waddel n. 1881, y George Waddel n. 1881 Snedecor. Statistical Methods. 7. edition --. Iowa: Iowa State University Press, 1980.