APA (7th ed.) Citation

Ubaldio, P. d. (1549). Tractatus de dubous fratribus. [editor no identificat].

Chicago Style (17th ed.) Citation

Ubaldio, Petrus de. Tractatus De Dubous Fratribus. Lugduni: [editor no identificat], 1549.

MLA (9th ed.) Citation

Ubaldio, Petrus de. Tractatus De Dubous Fratribus. [editor no identificat], 1549.

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