Παραπομπή σε μορφή APA (7η εκδ.)

Kampfe, C. M. (2015). Counseling older people: Opportunities and challenges. American Counseling Association. https://doi.org/10.1002/9781119222767

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kampfe, Charlene M. Counseling Older People: Opportunities and Challenges. Alexandria, VA: American Counseling Association, 2015. https://doi.org/10.1002/9781119222767.

Παραπομπή σε μορφή MLA (8th εκδ.)

Kampfe, Charlene M. Counseling Older People: Opportunities and Challenges. American Counseling Association, 2015. https://doi.org/10.1002/9781119222767.