APA (7th ed.) Citation

Usman, A. (2019). Source apportionment of urban contaminants.

Chicago Style (17th ed.) Citation

Usman, Abida. Source Apportionment of Urban Contaminants. 2019.

MLA (9th ed.) Citation

Usman, Abida. Source Apportionment of Urban Contaminants. 2019.

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