Record Citations
APA (7th ed.) Citation
Riso, D. R. (1990). Understanding the enneagram: The practical guide to personality types. Houghton Mifflin.
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Chicago Style (17th ed.) Citation
Riso, Don Richard. Understanding the Enneagram: The Practical Guide to Personality Types. Boston: Houghton Mifflin, 1990.
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MLA (9th ed.) Citation
Riso, Don Richard. Understanding the Enneagram: The Practical Guide to Personality Types. Houghton Mifflin, 1990.
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Warning: These citations may not always be 100% accurate.
