MLA

Zwey schöne Newe Lieder ... Durch Friderich Gutknecht, 0AD. https://collections.library.yale.edu/catalog/17384149.

APA, 6th edition

Zwey schöne newe Lieder ... (0 C.E.). [Hymns--Germany--Nuremberg--ca. 1550?, Woodcuts]. Durch Friderich Gutknecht. https://collections.library.yale.edu/catalog/17384149.