Cita APA (7th ed.)

Wacker, R. R., & Roberto, K. A. (2019). Community resources for older adults: Programs and services in an era of change (Fifth Edition.). SAGE.

Cita Chicago (17th ed.)

Wacker, Robbyn R., i Karen A. Roberto. Community Resources for Older Adults: Programs and Services in an Era of Change. Fifth Edition. Los Angeles: SAGE, 2019.

Cita MLA (9th ed.)

Wacker, Robbyn R., i Karen A. Roberto. Community Resources for Older Adults: Programs and Services in an Era of Change. Fifth Edition. SAGE, 2019.