APA (7th ed.) Citation

Richardson, E. T. (1975). My thoughts: A self-evaluation instrument. [publisher not identified].

Chicago Style (17th ed.) Citation

Richardson, Edward T. My Thoughts: A Self-evaluation Instrument. [Place of publication not identified]: [publisher not identified], 1975.

MLA (9th ed.) Citation

Richardson, Edward T. My Thoughts: A Self-evaluation Instrument. [publisher not identified], 1975.