APA (7th ed.) Citation

Portel, L. d. (1640). Dubia regularia sive accurata. Ex Typ. Quodam Ionae Gautherin.

Chicago Style (17th ed.) Citation

Portel, Laur; de. Dubia Regularia Sive Accurata. Lugduni: Ex Typ. Quodam Ionae Gautherin, 1640.

MLA (9th ed.) Citation

Portel, Laur; de. Dubia Regularia Sive Accurata. Ex Typ. Quodam Ionae Gautherin, 1640.

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