APA引文

Riso, D. R., & Hudson, R. (1999). The wisdom of the enneagram: The complete guide to psychological and spiritual growth for the nine personality types. Bantam Books.

Chicago Style (17th ed.) Citation

Riso, Don Richard, and Russ Hudson. The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types. New York: Bantam Books, 1999.

MLA引文

Riso, Don Richard, and Russ Hudson. The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types. Bantam Books, 1999.

警告：這些引文格式不一定是100％准確.