APA-Zitierstil (7. Ausg.)

Fees, B. S., Martin, P., & Poon, L. W. (1999). A model of loneliness in older adults. The journals of gerontology / B, 54(4), .

Chicago-Zitierstil (17. Ausg.)

Fees, Bronwyn S., Peter Martin, und Leonard W. Poon. "A Model of Loneliness in Older Adults." The Journals of Gerontology / B 54, no. 4 (1999).

MLA-Zitierstil (9. Ausg.)

Fees, Bronwyn S., et al. "A Model of Loneliness in Older Adults." The Journals of Gerontology / B, vol. 54, no. 4, 1999.