APA (7th ed.) Citation

Bromley, D. B. (1966). The psychology of human ageing. Penguin Books.

Chicago Style (17th ed.) Citation

Bromley, Dennis Basil. The Psychology of Human Ageing. [Harmondsworth]: Penguin Books, 1966.

MLA (9th ed.) Citation

Bromley, Dennis Basil. The Psychology of Human Ageing. Penguin Books, 1966.