APA (7th ed.) Citation

Maxwell, J. (1961). The level and trend of national intelligence: The contribution of the Scottish Mental Surveys. University of London Press.

Chicago Style (17th ed.) Citation

Maxwell, James. The Level and Trend of National Intelligence: The Contribution of the Scottish Mental Surveys. London: University of London Press, 1961.

MLA (8th ed.) Citation

Maxwell, James. The Level and Trend of National Intelligence: The Contribution of the Scottish Mental Surveys. University of London Press, 1961.

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