A collection of his alchemical and other writings.
MLA
Paracelsus, 1493-1541. A collection of his alchemical and other writings.. 1676. https://collections.library.yale.edu/catalog/17306190.
APA, 6th edition
Paracelsus, 1493-1541. (1676)[A collection of his alchemical and other writings.]. https://collections.library.yale.edu/catalog/17306190.