Cita APA (7th ed.)

Kampfe, C. M., & Gaston, B. E. (2015). Counseling older people: Opportunities and challenges. American Counseling Association.

Cita Chicago (17th ed.)

Kampfe, Charlene M., i Bonny E. Gaston. Counseling Older People: Opportunities and Challenges. Alexandria, Virginia: American Counseling Association, 2015.

Cita MLA (9th ed.)

Kampfe, Charlene M., i Bonny E. Gaston. Counseling Older People: Opportunities and Challenges. American Counseling Association, 2015.