Cita APA (7a ed.)

Robbins, H., & Van Ryzin, J. (1975). Introduction to statistics. Science Research Associates.

Cita Chicago Style (17a ed.)

Robbins, Herbert, y John Van Ryzin. Introduction to Statistics. Chicago [etc.]: Science Research Associates, 1975.

Cita MLA (9a ed.)

Robbins, Herbert, y John Van Ryzin. Introduction to Statistics. Science Research Associates, 1975.