Cita APA (7th ed.)

Berry, B. J. L., & Horton, F. E. (1970). Geographic perspectives on urban systems: With integrated readings. Prentice-Hall.

Cita Chicago (17th ed.)

Berry, Brian J. L., i Frank E. Horton. Geographic Perspectives on Urban Systems: With Integrated Readings. Englewood Cliffs, New Jersey: Prentice-Hall, 1970.

Cita MLA (9th ed.)

Berry, Brian J. L., i Frank E. Horton. Geographic Perspectives on Urban Systems: With Integrated Readings. Prentice-Hall, 1970.