APA (7th ed.) Citation

Andrews, C. N. Pneumatic Dilation for Achalasia: A Centimetre outside the Comfort Zone? Wiley.

Chicago Style (17th ed.) Citation

Andrews, Christopher N. Pneumatic Dilation for Achalasia: A Centimetre Outside the Comfort Zone? Wiley.

MLA (9th ed.) Citation

Andrews, Christopher N. Pneumatic Dilation for Achalasia: A Centimetre Outside the Comfort Zone? Wiley.

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