APA (7th ed.) Citation

Irshad, H. A., Raja, S., Jehanzeb, H., Shaikh, W. A., Saleem, U., Malik, S. A. R., . . . Khan, J. A. Smokeless tobacco: Knowledge, attitudes and usage in Pakistan. BMC.

Chicago Style (17th ed.) Citation

Irshad, Hammad Atif, et al. Smokeless Tobacco: Knowledge, Attitudes and Usage in Pakistan. BMC.

MLA (9th ed.) Citation

Irshad, Hammad Atif, et al. Smokeless Tobacco: Knowledge, Attitudes and Usage in Pakistan. BMC.

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