APA (7th ed.) Citation

Harris, R. T., & Jarrett, J. L. j. a. (1956). Language and informal logic. Longmans.

Chicago Style (17th ed.) Citation

Harris, Robert T., and James L. joint auth Jarrett. Language and Informal Logic. New York: Longmans, 1956.

MLA (9th ed.) Citation

Harris, Robert T., and James L. joint auth Jarrett. Language and Informal Logic. Longmans, 1956.