APA način citiranja

Zayed, A. A., Shahait, A. D., Ayoub, M. N., & Yousef, A. (2013). Smokers’ hair: Does smoking cause premature hair graying? Medknow Publications & Media Pvt Ltd.

Čikaški stil citiranja

Zayed, Ayman A., Awni D. Shahait, Musa N. Ayoub, i Al-Motassem Yousef. Smokers’ Hair: Does Smoking Cause Premature Hair Graying? Medknow Publications & Media Pvt Ltd, 2013.

MLA način citiranja

Zayed, Ayman A., Awni D. Shahait, Musa N. Ayoub, i Al-Motassem Yousef. Smokers’ Hair: Does Smoking Cause Premature Hair Graying? Medknow Publications & Media Pvt Ltd, 2013.