APA (7th ed.) Citation

Porter, R. P. (1884). Protection and free trade to-day: At home and abroad, in field and workshop. J.R. Osgood.

Chicago Style (17th ed.) Citation

Porter, Robert P. Protection and Free Trade To-day: At Home and Abroad, in Field and Workshop. Boston: J.R. Osgood, 1884.

MLA (9th ed.) Citation

Porter, Robert P. Protection and Free Trade To-day: At Home and Abroad, in Field and Workshop. J.R. Osgood, 1884.