Cita APA (7a ed.)

Harkness, H. (1999). Don't stop the career clock: Rejecting the myths of aging for a new way to work in the 21st century. Davies-Black Pub.

Cita Chicago Style (17a ed.)

Harkness, Helen. Don't Stop the Career Clock: Rejecting the Myths of Aging for a New Way to Work in the 21st Century. Palo Alto, Calif.: Davies-Black Pub, 1999.

Cita MLA (9a ed.)

Harkness, Helen. Don't Stop the Career Clock: Rejecting the Myths of Aging for a New Way to Work in the 21st Century. Davies-Black Pub, 1999.