APA引文

(2015). O's little book of happiness (First edition.). Flatiron Books.

Chicago Style (17th ed.) Citation

O's Little Book of Happiness. First edition. New York: Flatiron Books, 2015.

MLA引文

O's Little Book of Happiness. First edition. Flatiron Books, 2015.

警告：這些引文格式不一定是100％准確.