APA引文

Hartle James B. (2014). Gravity: An introduction to Einstein's general relativity. Pearson.

Chicago Edition Citation

Hartle James B. Gravity: An Introduction to Einstein's General Relativity. Noida: Pearson, 2014.

MLA引文

Hartle James B. Gravity: An Introduction to Einstein's General Relativity. Pearson, 2014.

警告：這些引文格式不一定是100％准確.