MLA

Stefano Guandalini, Haleh Vaziri, Stefano Guandalini, and Haleh Vaziri. Diarrhea. Humana Press, 2011.

APA

Stefano Guandalini, H. Vaziri, Guandalini, S., & Vaziri, H. (2011). Diarrhea. Humana Press.

Chicago

Stefano Guandalini, Haleh Vaziri, Stefano Guandalini, and Haleh Vaziri. Diarrhea. : Humana Press, 2011.