APA (7th ed.) Citation

Guy, A. L. (1949). An evaluation of the approximate method of settlement analysis. [publisher not identified].

Chicago Style (17th ed.) Citation

Guy, Arthur L. An Evaluation of the Approximate Method of Settlement Analysis. [College Station, Tex.]: [publisher not identified], 1949.

MLA (9th ed.) Citation

Guy, Arthur L. An Evaluation of the Approximate Method of Settlement Analysis. [publisher not identified], 1949.