APA引文

Smolin, L. (2002). Three roads to quantum gravity. Basic Books.

Chicago Edition Citation

Smolin, Lee. Three Roads to Quantum Gravity. New York, N.Y: Basic Books, 2002.

MLA引文

Smolin, Lee. Three Roads to Quantum Gravity. Basic Books, 2002.

警告：這些引文格式不一定是100％准確.