Balmes, H. J. Mauricio Dias & Walter Riedweg, Pro Helvetaia (Foundation). Pro Helvetia.
Cita Chicago (17th ed.)Balmes, Hans Jürgen. Mauricio Dias & Walter Riedweg, Pro Helvetaia (Foundation). Baden, Switzerland: Pro Helvetia.
Cita MLA (9th ed.)Balmes, Hans Jürgen. Mauricio Dias & Walter Riedweg, Pro Helvetaia (Foundation). Pro Helvetia.
Atenció: Aquestes cites poden no estar 100% correctes.