APA (7th ed.) Citation

Elfvedal, E., & Spegel, H. (1669). Ethica disp. de virtute heroica.

Chicago Style (17th ed.) Citation

Elfvedal, Eric, and Haqvin Spegel. Ethica Disp. De Virtute Heroica. Lunda Gothorum, 1669.

MLA (9th ed.) Citation

Elfvedal, Eric, and Haqvin Spegel. Ethica Disp. De Virtute Heroica. 1669.

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