APA (7th ed.) Citation

Johnston, H. M. (1992). Missions to Mexico: A tale of British diplomacy in the 1820s. British Academic Press.

Chicago Style (17th ed.) Citation

Johnston, Henry McKenzie. Missions to Mexico: A Tale of British Diplomacy in the 1820s. London ; New York: British Academic Press, 1992.

MLA (9th ed.) Citation

Johnston, Henry McKenzie. Missions to Mexico: A Tale of British Diplomacy in the 1820s. British Academic Press, 1992.