APA (7th ed.) Citation

Gappert, G., & Knight, R. V. (1982). Cities in the 21st century Urban affairs annual reviews.

Chicago Style (17th ed.) Citation

Gappert, Gary, and Richard V. Knight. "Cities in the 21st Century." Urban Affairs Annual Reviews 1982.

MLA (9th ed.) Citation

Gappert, Gary, and Richard V. Knight. "Cities in the 21st Century." Urban Affairs Annual Reviews, 1982.

Warning: These citations may not always be 100% accurate.