Elementary chemistry :
theoretical and practical /
by George Fownes ; edited, with additions, by Robert Bridges.

APA Citation

Fownes, G., Bridges, R., Bridges, R. (1845). Elementary chemistry: theoretical and practical. Philadelphia: Lea & Blanchard.

MLA Citation

Fownes, George, 1815-1849, Robert Bridges, and Robert Bridges. Elementary Chemistry: Theoretical And Practical. Philadelphia: Lea & Blanchard, 1845.

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