Cita APA (7a ed.)

Siegel, I. H. (1952). Concepts and measurement of production and productivity. Bureau of Labor Statistics.

Cita Chicago Style (17a ed.)

Siegel, Irving Herbert. Concepts and Measurement of Production and Productivity. Washington: Bureau of Labor Statistics, 1952.

Cita MLA (9a ed.)

Siegel, Irving Herbert. Concepts and Measurement of Production and Productivity. Bureau of Labor Statistics, 1952.