APA引文

Winfrey, O. (2015). O's little guide to finding your true purpose (First [edition].). Flatiron.

Chicago Style (17th ed.) Citation

Winfrey, Oprah. O's Little Guide to Finding Your True Purpose. First [edition]. New York: Flatiron, 2015.

MLA引文

Winfrey, Oprah. O's Little Guide to Finding Your True Purpose. First [edition]. Flatiron, 2015.

警告：這些引文格式不一定是100％准確.