Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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