APA Edition Citation

Wallis, W. A., & Roberts, H. V. (1957). Statistics : a new approach / by W.A. Wallis and H.V. Roberts: A new approach. Methuen.

Chicago Edition Citation

Wallis, W. A., and H. V. Roberts. Statistics : A New Approach / by W.A. Wallis and H.V. Roberts: A New Approach. Methuen, 1957.

MLA Edition Citation

Wallis, W. A., and H. V. Roberts. Statistics : A New Approach / by W.A. Wallis and H.V. Roberts: A New Approach. Methuen, 1957.

Warning: These citations may not always be 100% accurate.