Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.