APA (7th ed.) Citation

Elliott, S. L. (1963). Careful, he might hear you ([1st ed.].). Harper & Row.

Chicago Style (17th ed.) Citation

Elliott, Sumner Locke. Careful, He Might Hear You. [1st ed.]. New York: Harper & Row, 1963.

MLA (9th ed.) Citation

Elliott, Sumner Locke. Careful, He Might Hear You. [1st ed.]. Harper & Row, 1963.