APA (7th ed.) Citation

Fries, J. F. (1804). System der Philosophie . [s.n.].

Chicago Style (17th ed.) Citation

Fries, Jakob Friedrich. System Der Philosophie . Leipzig: [s.n.], 1804.

MLA (9th ed.) Citation

Fries, Jakob Friedrich. System Der Philosophie . [s.n.], 1804.

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