Cita APA (7a ed.)

Packard, F. A. (1997). Life of Robert Owen. University Microfilms International.

Cita Chicago Style (17a ed.)

Packard, Frederick A. Life of Robert Owen. Ann Arbor: University Microfilms International, 1997.

Cita MLA (9a ed.)

Packard, Frederick A. Life of Robert Owen. University Microfilms International, 1997.