APA (7th ed.) Citation

Coad, P. (1850). Note, "Etymology of the word Tariff", [1850?].

Chicago Style (17th ed.) Citation

Coad, Patrick. Note, "Etymology of the Word Tariff", [1850?]. 1850.

MLA (8th ed.) Citation

Coad, Patrick. Note, "Etymology of the Word Tariff", [1850?]. 1850.

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