APA (7th ed.) Citation

Ernst, M. L. (1948). So far, so good ([1st ed.].). Harper.

Chicago Style (17th ed.) Citation

Ernst, Morris L. So Far, so Good. [1st ed.]. New York: Harper, 1948.

MLA (9th ed.) Citation

Ernst, Morris L. So Far, so Good. [1st ed.]. Harper, 1948.