APA (7th ed.) Citation

Bertius, P. (1634). Commentariorum rerum Germanicarum libri tres.

Chicago Style (17th ed.) Citation

Bertius, Petrus. Commentariorum Rerum Germanicarum Libri Tres. Amstelodami, 1634.

MLA (9th ed.) Citation

Bertius, Petrus. Commentariorum Rerum Germanicarum Libri Tres. 1634.

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