Cita APA (7a ed.)

Watkins, R. (1926). The construction industry in Ohio: A statistical analysis of a seasonal industry. The Ohio State University.

Cita Chicago Style (17a ed.)

Watkins, Ralph. The Construction Industry in Ohio: A Statistical Analysis of a Seasonal Industry. Ohio: The Ohio State University, 1926.

Cita MLA (9a ed.)

Watkins, Ralph. The Construction Industry in Ohio: A Statistical Analysis of a Seasonal Industry. The Ohio State University, 1926.