APA (7th ed.) Citation

Puteanus, E. (1619). De Cometa anni 1618 libri duo.

Chicago Style (17th ed.) Citation

Puteanus, Erycius. De Cometa Anni 1618 Libri Duo. Colonia, 1619.

MLA (9th ed.) Citation

Puteanus, Erycius. De Cometa Anni 1618 Libri Duo. 1619.

Warning: These citations may not always be 100% accurate.