Cita APA

Wallis, W. A., & Roberts, H. V. (1956). Statistics a new approach. The Free.

Citación estilo Chicago

Wallis, W. Allen, and Harry V. Roberts. Statistics a New Approach. Nueva York: The Free, 1956.

Cita MLA

Wallis, W. Allen, and Harry V. Roberts. Statistics a New Approach. The Free, 1956.