Principia mathematica /
by Alfred North Whitehead and Bertrand Russell
APA Citation
Whitehead, A. North., Russell, B. (1960). Principia mathematica. 2d ed Cambridge [Eng.]: University Press.
MLA Citation
Whitehead, Alfred North, 1861-1947, and Bertrand Russell. Principia Mathematica. 2d ed Cambridge [Eng.]: University Press, 1960.
Warning: These citations may not always be complete (especially for serials).