APA (7th ed.) Citation
Longomontanus, C. S. (1634). Inventio quadraturae circuli.
Chicago Style (17th ed.) Citation
Longomontanus, Christian Sørensen. Inventio Quadraturae Circuli. Hafniae, 1634.
MLA (9th ed.) Citation
Longomontanus, Christian Sørensen. Inventio Quadraturae Circuli. 1634.
Warning: These citations may not always be 100% accurate.