APA (7th ed.) Citation

Siegel, F. R. (2019). Cities and mega-cities: Problems and solution strategies. Springer.

Chicago Style (17th ed.) Citation

Siegel, Frederic R. Cities and Mega-cities: Problems and Solution Strategies. Cham, Switzerland: Springer, 2019.

MLA (9th ed.) Citation

Siegel, Frederic R. Cities and Mega-cities: Problems and Solution Strategies. Springer, 2019.