APA (7th ed.) Citation

Ashraf, M. W. Levels of Heavy Metals in Popular Cigarette Brands and Exposure to These Metals via Smoking. Wiley.

Chicago Style (17th ed.) Citation

Ashraf, Muhammad Waqar. Levels of Heavy Metals in Popular Cigarette Brands and Exposure to These Metals via Smoking. Wiley.

MLA (9th ed.) Citation

Ashraf, Muhammad Waqar. Levels of Heavy Metals in Popular Cigarette Brands and Exposure to These Metals via Smoking. Wiley.

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