MLA

Raymond, of Sabunde, d. 1436. Theologia naturalis : sive liber creaturarum. [about 1496].. https://collections.library.yale.edu/catalog/16986903.

APA, 6th edition

Raymond, of Sabunde, d. 1436. ([about 1496].)[Theologia naturalis : sive liber creaturarum]. https://collections.library.yale.edu/catalog/16986903.