APA (7th ed.) Citation

Fischer, L. (1890). "Cogito ergo sum". J.F. Bergmann.

Chicago Style (17th ed.) Citation

Fischer, Ludwig. "Cogito Ergo Sum". Wiesbaden: J.F. Bergmann, 1890.

MLA (8th ed.) Citation

Fischer, Ludwig. "Cogito Ergo Sum". J.F. Bergmann, 1890.

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