The positive philosophy of Auguste Comte.
Freely translated and condensed by Harriet Martineau. In two volumes.

APA Citation

Comte, A., Martineau, H. (1893). The positive philosophy of Auguste Comte. 3rd edition. London: Kegan Paul, Trench, Trübner & Co..

MLA Citation

Comte, Auguste, 1798-1857, and Harriet Martineau. The Positive Philosophy of Auguste Comte. 3rd edition. London: Kegan Paul, Trench, Trübner & Co., 1893.

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