Cita APA (7th ed.)

Walton & Carns, D. E. (1973). Cities in change: Studies on the urban condition (1st.). Allyn and Bacon, Inc..

Cita Chicago (17th ed.)

Walton i Donald E. Carns. Cities in Change: Studies on the Urban Condition. 1st. Boston: Allyn and Bacon, Inc., 1973.

Cita MLA (9th ed.)

Walton i Donald E. Carns. Cities in Change: Studies on the Urban Condition. 1st. Allyn and Bacon, Inc., 1973.