APA Citation

Marah, M., & Novotny, T. E. (2011). Geographic patterns of cigarette butt waste in the urban environment. BMJ Group.

Chicago Style Citation

Marah, Maacah, and Thomas E. Novotny. Geographic Patterns of Cigarette Butt Waste in the Urban Environment. BMJ Group, 2011.

MLA Citation

Marah, Maacah, and Thomas E. Novotny. Geographic Patterns of Cigarette Butt Waste in the Urban Environment. BMJ Group, 2011.

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