APA (7th ed.) Citation

Yost, C. P. (1956). An analysis of graduate theses in school safety in the United States from 1925 to 1950. [publisher not identified].

Chicago Style (17th ed.) Citation

Yost, Charles Peter. An Analysis of Graduate Theses in School Safety in the United States from 1925 to 1950. [Place of publication not identified]: [publisher not identified], 1956.

MLA (9th ed.) Citation

Yost, Charles Peter. An Analysis of Graduate Theses in School Safety in the United States from 1925 to 1950. [publisher not identified], 1956.