APA (7th ed.) Citation

Zainal Abidin, E., Semple, S., Omar, A., Abdul Rahman, H., Turner, S. W., & Ayres, J. G. (2011). A survey of schoolchildren's exposure to secondhand smoke in Malaysia. BioMed Central.

Chicago Style (17th ed.) Citation

Zainal Abidin, Emilia, Sean Semple, Affandi Omar, Hejar Abdul Rahman, Stephen W. Turner, and Jon G. Ayres. A Survey of Schoolchildren's Exposure to Secondhand Smoke in Malaysia. BioMed Central, 2011.

MLA (9th ed.) Citation

Zainal Abidin, Emilia, et al. A Survey of Schoolchildren's Exposure to Secondhand Smoke in Malaysia. BioMed Central, 2011.