APA (7th ed.) Citation

Weiss, M. E. (1968). Clues to the riddle of life ([1st ed.].). Hawthorn Books.

Chicago Style (17th ed.) Citation

Weiss, Malcolm E. Clues to the Riddle of Life. [1st ed.]. New York: Hawthorn Books, 1968.

MLA (9th ed.) Citation

Weiss, Malcolm E. Clues to the Riddle of Life. [1st ed.]. Hawthorn Books, 1968.