APA (7th ed.) Citation

Knowles, S. R., Stern, J., & Hebbard, G. (2018). Functional gastrointestinal disorders: A biopsychosocial approach. Routledge, Taylor & Francis Group.

Chicago Style (17th ed.) Citation

Knowles, Simon R., Julian Stern, and Geoff Hebbard. Functional Gastrointestinal Disorders: A Biopsychosocial Approach. London: Routledge, Taylor & Francis Group, 2018.

MLA (9th ed.) Citation

Knowles, Simon R., et al. Functional Gastrointestinal Disorders: A Biopsychosocial Approach. Routledge, Taylor & Francis Group, 2018.