Cita APA (7a ed.)

Schewe, C. D., & Balazs, A. L. (1992). Role transitions in older adults: A marketing opportunity. [s.n.].

Cita Chicago Style (17a ed.)

Schewe, Charles D., y Anne L. Balazs. Role Transitions in Older Adults: A Marketing Opportunity. [S.l.]: [s.n.], 1992.

Cita MLA (9a ed.)

Schewe, Charles D., y Anne L. Balazs. Role Transitions in Older Adults: A Marketing Opportunity. [s.n.], 1992.