MLA

Herberstein, Sigmund, Freiherr von, 1486-1566. Typus concordiae fraternae ab illustri et generoso viro D. Sigismundo Libero Barone in Herberstain Neyper & Guetenhag ... posteris suis pro certissima amplificandae & conservandae familiae omnisq[ue], dignitatis tuendae formula, testamento relictus .... anno MDLXIII [1563]. https://collections.library.yale.edu/catalog/33068186.

APA, 6th edition

Herberstein, Sigmund, Freiherr von, 1486-1566. (anno MDLXIII [1563])[Typus concordiae fraternae ab illustri et generoso viro D. Sigismundo Libero Barone in Herberstain Neyper & Guetenhag ... posteris suis pro certissima amplificandae & conservandae familiae omnisq[ue], dignitatis tuendae formula, testamento relictus ...]. https://collections.library.yale.edu/catalog/33068186.