Principia :
or Nature's first principles. Theory of universal electro-magnetism, simplified ...
APA Citation
Chapman, L. L. (1855). Principia: or Nature's first principles. Theory of universal electro-magnetism, simplified ... v. 1. 2d. ed., Philadelphia: Campbell & co..
MLA Citation
Chapman, L L. Principia: Or Nature's First Principles. Theory of Universal Electro-magnetism, Simplified ... v. 1. 2d. ed., Philadelphia: Campbell & co., 1855.
Warning: These citations may not always be complete (especially for serials).