APA (7th ed.) Citation

Epp, F. X., Knilling, B., Hazl, J., & Widman, J. (1773). Problemata Electrica. Friz.

Chicago Style (17th ed.) Citation

Epp, Franz Xaver, Benedikt Knilling, Joseph Hazl, and Joseph Widman. Problemata Electrica. Monachii: Friz, 1773.

MLA (9th ed.) Citation

Epp, Franz Xaver, et al. Problemata Electrica. Friz, 1773.