Cita APA (7a ed.)

STEEL, R. G., & Torrie, J. H. (1980). Principles and procedures of statistics: A biometrical approach (2nd ed.). McGraw- Hill.

Cita Chicago Style (17a ed.)

STEEL, Robert G.D, y James H. Torrie. Principles and Procedures of Statistics: A Biometrical Approach. 2nd ed. New York: McGraw- Hill, 1980.

Cita MLA (9a ed.)

STEEL, Robert G.D, y James H. Torrie. Principles and Procedures of Statistics: A Biometrical Approach. 2nd ed. McGraw- Hill, 1980.