Cita APA (7a ed.)

Samuel, W. A. (2014). The economic impact of older persons on the society.

Cita Chicago Style (17a ed.)

Samuel, Wendell A. The Economic Impact of Older Persons on the Society. 2014.

Cita MLA (8a ed.)

Samuel, Wendell A. The Economic Impact of Older Persons on the Society. 2014.