APA (7th ed.) Citation

McCulloch, J. R., & Ricardo, D. (1931). Letters of John Ramsay McCulloch to David Ricardo, 1818-1923. John Hopkins Press.

Chicago Style (17th ed.) Citation

McCulloch, J. R., and David Ricardo. Letters of John Ramsay McCulloch to David Ricardo, 1818-1923. Baltimore: John Hopkins Press, 1931.

MLA (9th ed.) Citation

McCulloch, J. R., and David Ricardo. Letters of John Ramsay McCulloch to David Ricardo, 1818-1923. John Hopkins Press, 1931.