Citazione Stile APA (7a Edizione)

Bromley, D. B. (1974). The psychology of human ageing (2nd ed.). Penguin.

Citazione stile Chigago Style (17a edizione)

Bromley, Dennis Basil. The Psychology of Human Ageing. 2nd ed. Harmondsworth, Middlesex, Eng: Penguin, 1974.

Citatione MLA (9a ed.)

Bromley, Dennis Basil. The Psychology of Human Ageing. 2nd ed. Penguin, 1974.