Gustaw II & Radziwiłł, K. (1625). Literæ Serenißimæ Regiæ Majestatis Sveciæ ad Illustrissimum Principem, Dn. Christophorum Radzivilium, M.D. Lithvaniæ Campiducem. nec non DD. Senatorum Regni Sveciæ ad Dns. Senatores Regni Poloniae & M. Ducatus Lithuaniæ. s.n.].
Chicago Style (17th ed.) CitationGustaw II and Krzysztof Radziwiłł. Literæ Serenißimæ Regiæ Majestatis Sveciæ Ad Illustrissimum Principem, Dn. Christophorum Radzivilium, M.D. Lithvaniæ Campiducem. Nec Non DD. Senatorum Regni Sveciæ Ad Dns. Senatores Regni Poloniae & M. Ducatus Lithuaniæ. [S.l.: s.n.], 1625.
MLA (9th ed.) CitationGustaw II and Krzysztof Radziwiłł. Literæ Serenißimæ Regiæ Majestatis Sveciæ Ad Illustrissimum Principem, Dn. Christophorum Radzivilium, M.D. Lithvaniæ Campiducem. Nec Non DD. Senatorum Regni Sveciæ Ad Dns. Senatores Regni Poloniae & M. Ducatus Lithuaniæ. s.n.], 1625.