Cite

De sphaera, etc

MLA

Sacro Bosco, Joannes de, fl. 1230. De sphaera, etc. 1526-27.. https://collections.library.yale.edu/catalog/17376363.

APA, 6th edition

Sacro Bosco, Joannes de, fl. 1230. (1526-27.)[De sphaera, etc]. https://collections.library.yale.edu/catalog/17376363.