APA引文

Percival, T. (2019). Ruby finds a Worry. Bloomsbury Children's Books.

Chicago Style (17th ed.) Citation

Percival, Tom. Ruby Finds a Worry. New York: Bloomsbury Children's Books, 2019.

MLA引文

Percival, Tom. Ruby Finds a Worry. Bloomsbury Children's Books, 2019.

警告：這些引文格式不一定是100％准確.