Παραπομπή σε μορφή APA (7η εκδ.)

Bass, S. A. (1995). Older and active: How Americans over 55 are contributing to society. Yale University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bass, Scott A. Older and Active: How Americans over 55 Are Contributing to Society. London: Yale University Press, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Bass, Scott A. Older and Active: How Americans over 55 Are Contributing to Society. Yale University Press, 1995.