Opera mathematica,
edidit Andreas Speiser.

APA Citation

Lambert, J. Heinrich., Speiser, A. (1946). Opera mathematica. Turici: Orell Füssli.

MLA Citation

Lambert, Johann Heinrich, 1728-1777, and Andreas Speiser. Opera Mathematica. Turici: Orell Füssli, 1946.

Warning: These citations may not always be complete (especially for serials).