APA引文

Riso, D. R., & Foster, J. A. (2017). Personality types: Using the enneagram for self-discovery (Unabridged.). Tantor Media.

Chicago Style (17th ed.) Citation

Riso, Don Richard, and James Anderson Foster. Personality Types: Using the Enneagram for Self-discovery. Unabridged. Old Saybrook: Tantor Media, 2017.

MLA引文

Riso, Don Richard, and James Anderson Foster. Personality Types: Using the Enneagram for Self-discovery. Unabridged. Tantor Media, 2017.

警告：這些引文格式不一定是100％准確.