APA (7th ed.) Citation

Bell, G., & Tyrwhitt, J. (1972). Human identity in the urban enviroment (1st published.). Penguin.

Chicago Style (17th ed.) Citation

Bell, Gwen, and Jaqueline Tyrwhitt. Human Identity in the Urban Enviroment. 1st published. Middlesex: Penguin, 1972.

MLA (9th ed.) Citation

Bell, Gwen, and Jaqueline Tyrwhitt. Human Identity in the Urban Enviroment. 1st published. Penguin, 1972.