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.) CitationPorter, 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.) CitationPorter, Robert P. An Address to Some Free-traders, Before the Commonwealth Club of New York, December 19, 1887. American Protective Tariff League, 1887.
Warning: These citations may not always be 100% accurate.