APA (7th ed.) Citation

Braun, C. F. (1947). Presentation for engineers and industrialists: [a group of letters to an industrial organization]. [publisher not identified].

Chicago Style (17th ed.) Citation

Braun, Carl F. Presentation for Engineers and Industrialists: [a Group of Letters to an Industrial Organization]. Alhambra, Calif.: [publisher not identified], 1947.

MLA (9th ed.) Citation

Braun, Carl F. Presentation for Engineers and Industrialists: [a Group of Letters to an Industrial Organization]. [publisher not identified], 1947.