APA (7th ed.) Citation

Evans, H. E. (1968). Life on a little-known planet ([1st ed.].). Dutton.

Chicago Style (17th ed.) Citation

Evans, Howard Ensign. Life on a Little-known Planet. [1st ed.]. New York: Dutton, 1968.

MLA (9th ed.) Citation

Evans, Howard Ensign. Life on a Little-known Planet. [1st ed.]. Dutton, 1968.