APA (7e ed.) Bronvermelding

Kalt, N. C., & Zalkind, S. S. (1976). Urban problems: Psychological inquiries, readings and text. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Kalt, Neil C., en Sheldon S. Zalkind. Urban Problems: Psychological Inquiries, Readings and Text. New York: Oxford University Press, 1976.

MLA (9e ed.) Bronvermelding

Kalt, Neil C., en Sheldon S. Zalkind. Urban Problems: Psychological Inquiries, Readings and Text. Oxford University Press, 1976.