APA引文

Radford, N. (2020). Usborne Philosophy for beginners. Usborne.

芝加哥风格引文

Radford, Nick. Usborne Philosophy for Beginners. London: Usborne, 2020.

MLA引文

Radford, Nick. Usborne Philosophy for Beginners. Usborne, 2020.

警告：这些引文格式不一定是100％准确.