APA

Harris R. T., Jarrett J. L., . (1956). Language and informal logic. New York: Longmans, Green.

Chicago

Harris Robert T, Jarrett James L, . 1956. Language and informal logic. New York: Longmans, Green.

Harvard

Harris R. T., Jarrett J. L., . (1956). Language and informal logic. New York: Longmans, Green.

MLA

Harris Robert T, Jarrett James L, . Language and informal logic. New York: Longmans, Green. 1956.