APA引文

Summerill, E. (2018). Once a king. HMH Books for Young Readers.

Chicago Style (17th ed.) Citation

Summerill, Erin. Once a King. Boston ; New York: HMH Books for Young Readers, 2018.

MLA引文

Summerill, Erin. Once a King. HMH Books for Young Readers, 2018.

警告：這些引文格式不一定是100％准確.