APA (7th ed.) Citation

Travis, D. D. (1956). Methods for alleviating the photoelastic material situation. [publisher not identified].

Chicago Style (17th ed.) Citation

Travis, Darol Duane. Methods for Alleviating the Photoelastic Material Situation. [College Station, Tex.]: [publisher not identified], 1956.

MLA (9th ed.) Citation

Travis, Darol Duane. Methods for Alleviating the Photoelastic Material Situation. [publisher not identified], 1956.