APA引文

Feynman, R. P. (1992). The character of physical law. London: Penguin.

Trích dẫn kiểu Chicago

Feynman, Richard P. The Character of Physical Law. London: Penguin, 1992.

MLA引文

Feynman, Richard P. The Character of Physical Law. London: Penguin, 1992.

警告：這些引文格式不一定是100％准確.