Cita APA (7a ed.)

Marras, W. S. (2008). The working back: A systems view. Wiley-Interscience.

Cita Chicago Style (17a ed.)

Marras, William S. The Working Back: A Systems View. Hoboken, N.J.: Wiley-Interscience, 2008.

Cita MLA (9a ed.)

Marras, William S. The Working Back: A Systems View. Wiley-Interscience, 2008.