Price, R., & Franklin, B. Observations on the expectations of lives: The increase of mankind, the influence of great towns on population, and particularly the state of London, with respect to healthfulness and number of inhabitants : communicated to the Royal Society, April 27, 1769 : in a letter from Mr. Richard Price ... to Benjamin Franklin, Esq. ..
Chicago Style (17th ed.) CitationPrice, Richard, and Benjamin Franklin. Observations on the Expectations of Lives: The Increase of Mankind, the Influence of Great Towns on Population, and Particularly the State of London, with Respect to Healthfulness and Number of Inhabitants : Communicated to the Royal Society, April 27, 1769 : In a Letter from Mr. Richard Price ... to Benjamin Franklin, Esq. ..
MLA (9th ed.) CitationPrice, Richard, and Benjamin Franklin. Observations on the Expectations of Lives: The Increase of Mankind, the Influence of Great Towns on Population, and Particularly the State of London, with Respect to Healthfulness and Number of Inhabitants : Communicated to the Royal Society, April 27, 1769 : In a Letter from Mr. Richard Price ... to Benjamin Franklin, Esq. ..