APA (7th ed.) Citation
Weierstrass, K., Knoblauch, J., & Rothe, R. Mathematische Werke.
Chicago Style (17th ed.) Citation
Weierstrass, Karl, Johannes Knoblauch, and Rudolf Rothe. Mathematische Werke.
MLA (9th ed.) Citation
Weierstrass, Karl, et al. Mathematische Werke.
Warning: These citations may not always be 100% accurate.