Petsko, G. A. (2011). There is a sanity clause. BioMed Central.
Chicago Style CitationPetsko, Gregory A. There Is a Sanity Clause. BioMed Central, 2011.
Cita MLAPetsko, Gregory A. There Is a Sanity Clause. BioMed Central, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.