APA (7th ed.) Citation

Porter, R. P. (1887). An address to some free-traders, before the Commonwealth Club of New York, December 19, 1887. American Protective Tariff League.

Chicago Style (17th ed.) Citation

Porter, Robert P. An Address to Some Free-traders, Before the Commonwealth Club of New York, December 19, 1887. New York: American Protective Tariff League, 1887.

MLA (9th ed.) Citation

Porter, Robert P. An Address to Some Free-traders, Before the Commonwealth Club of New York, December 19, 1887. American Protective Tariff League, 1887.