APA (7th ed.) Citation

Harris, N. (1992). Cities in the 1990s: The challenge for developing countries. St. Martin's Press.

Chicago Style (17th ed.) Citation

Harris, Nigel. Cities in the 1990s: The Challenge for Developing Countries. London: St. Martin's Press, 1992.

MLA (9th ed.) Citation

Harris, Nigel. Cities in the 1990s: The Challenge for Developing Countries. St. Martin's Press, 1992.