Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Steel, Robert G. D., i James H. Torrie. Principles and Procedures of Statistics: A Biometrical Approach. 2a. ed. Nueva York: McGraw-Hill, 1980.

Cita MLA (9th ed.)

Steel, Robert G. D., i James H. Torrie. Principles and Procedures of Statistics: A Biometrical Approach. 2a. ed. McGraw-Hill, 1980.