APA (7th ed.) Citation

Heinrich, P., Danegger, D., Baumann, M., Schellerer, B., & Lucas, G. Positiones Mathematicae Ac Physicae.

Chicago Style (17th ed.) Citation

Heinrich, Placidus, Dionysius Danegger, Maurus Baumann, Beda Schellerer, and Georg Lucas. Positiones Mathematicae Ac Physicae.

MLA (9th ed.) Citation

Heinrich, Placidus, et al. Positiones Mathematicae Ac Physicae.

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