APA (7th ed.) Citation

Johnson, T. H., & Wish, H. (1966). The Oxford companion to American history. Oxford University Press.

Chicago Style (17th ed.) Citation

Johnson, Thomas Herbert, and Harvey Wish. The Oxford Companion to American History. New York: Oxford University Press, 1966.

MLA (9th ed.) Citation

Johnson, Thomas Herbert, and Harvey Wish. The Oxford Companion to American History. Oxford University Press, 1966.

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