APA (7th ed.) Citation

(2007). The conservation of urban nature. a new challenge in the environmental management at cities for 21 century.

Chicago Style (17th ed.) Citation

The Conservation of Urban Nature. a New Challenge in the Environmental Management at Cities for 21 Century. 2007.

MLA (8th ed.) Citation

The Conservation of Urban Nature. a New Challenge in the Environmental Management at Cities for 21 Century. 2007.

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