Citazione Stile APA (7a Edizione)

Warnes, A. M. (1982). Geographical perspectives on the elderly. Wiley.

Citazione stile Chigago Style (17a edizione)

Warnes, A. M. Geographical Perspectives on the Elderly. Chichester ; New York: Wiley, 1982.

Citatione MLA (8a ed.)

Warnes, A. M. Geographical Perspectives on the Elderly. Wiley, 1982.