Cita APA (7th ed.)

Brunn, S. D., Zeigler, D. J., Hays-Mitchell, M., & Graybill, J. K. Cities of the world: Regional patterns and urban environments (Seventh.).

Cita Chicago (17th ed.)

Brunn, Stanley D., Donald J. Zeigler, Maureen Hays-Mitchell, i Jessica K. Graybill. Cities of the World: Regional Patterns and Urban Environments. Seventh.

Cita MLA (9th ed.)

Brunn, Stanley D., et al. Cities of the World: Regional Patterns and Urban Environments. Seventh.