Cita APA (7a ed.)

Richmers, A. D., & Todd, H. N. j. a. (1967). Statistics an introduction. McGraw-Hill.

Cita Chicago Style (17a ed.)

Richmers, Albert D., y Hollis N. joint auth Todd. Statistics an Introduction. New York: McGraw-Hill, 1967.

Cita MLA (9a ed.)

Richmers, Albert D., y Hollis N. joint auth Todd. Statistics an Introduction. McGraw-Hill, 1967.