APA (7th ed.) Citation

Zijlstra, F. J. Smoking and nicotine in inflammatory bowel disease: Good or bad for cytokines? Wiley.

Chicago Style (17th ed.) Citation

Zijlstra, F. J. Smoking and Nicotine in Inflammatory Bowel Disease: Good or Bad for Cytokines? Wiley.

MLA (9th ed.) Citation

Zijlstra, F. J. Smoking and Nicotine in Inflammatory Bowel Disease: Good or Bad for Cytokines? Wiley.

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