Citazione APA

 Wright, J. V. (2009).  Your stomach: What is really making you miserable and what to do about it.  Praktikos.

Stile di citazione Chicago

 Wright, Jonathan V.  Your Stomach: What Is Really Making You Miserable and What to Do About It.  Praktikos, 2009.

Citazione MLA

 Wright, Jonathan V.  Your Stomach: What Is Really Making You Miserable and What to Do About It.  Praktikos, 2009.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.