APA (7th ed.) Citation

Kirby, A., & Lambert, D. (1984). Urban systems. Longman.

Chicago Style (17th ed.) Citation

Kirby, Andrew, and David Lambert. Urban Systems. Harlow: Longman, 1984.

MLA (9th ed.) Citation

Kirby, Andrew, and David Lambert. Urban Systems. Longman, 1984.

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