APA (7th ed.) Citation

Lehmann, C. T. (1964). A study of the design criteria for drilled-and-belled footings. [publisher not identified].

Chicago Style (17th ed.) Citation

Lehmann, Clark Thomas. A Study of the Design Criteria for Drilled-and-belled Footings. [College Station, Tex.]: [publisher not identified], 1964.

MLA (9th ed.) Citation

Lehmann, Clark Thomas. A Study of the Design Criteria for Drilled-and-belled Footings. [publisher not identified], 1964.