Arbuthnot, J. (1721). An essay on the usefulness of mathematical learning: In a letter from a gentleman in the city to his friend in Oxford (The second edition.).
Chicago Style (17th ed.) CitationArbuthnot, John. An Essay on the Usefulness of Mathematical Learning: In a Letter from a Gentleman in the City to His Friend in Oxford. The second edition. 1721.
MLA (9th ed.) CitationArbuthnot, John. An Essay on the Usefulness of Mathematical Learning: In a Letter from a Gentleman in the City to His Friend in Oxford. The second edition. 1721.
Warning: These citations may not always be 100% accurate.