APA (7th ed.) Citation

Harper, W. (1899). Comparative statistical tables and charts of the commerce of the world. Commercial Museum.

Chicago Style (17th ed.) Citation

Harper, William. Comparative Statistical Tables and Charts of the Commerce of the World. Philadelphia: Commercial Museum, 1899.

MLA (8th ed.) Citation

Harper, William. Comparative Statistical Tables and Charts of the Commerce of the World. Commercial Museum, 1899.

Warning: These citations may not always be 100% accurate.