Citazione Stile APA (7a Edizione)

Sumner, G., & Smith, R. (1969). Planning local authority services for the elderly. Allen & Unwin.

Citazione stile Chigago Style (17a edizione)

Sumner, Greta, e Randall Smith. Planning Local Authority Services for the Elderly. London: Allen & Unwin, 1969.

Citatione MLA (8a ed.)

Sumner, Greta, e Randall Smith. Planning Local Authority Services for the Elderly. Allen & Unwin, 1969.