APA引文

Huddleston, E. (2020). The Johnstown flood. Core Library.

Chicago Style (17th ed.) Citation

Huddleston, Emma. The Johnstown Flood. Minneapolis, Minnesota: Core Library, 2020.

MLA引文

Huddleston, Emma. The Johnstown Flood. Core Library, 2020.

警告：這些引文格式不一定是100％准確.