APA引文

Keifer, C. (2012). Quantum Gravity (Third Edition.). Oxford University Press.

Chicago Edition Citation

Keifer, Claus. Quantum Gravity. Third Edition. Oxford University Press, 2012.

MLA引文

Keifer, Claus. Quantum Gravity. Third Edition. Oxford University Press, 2012.

警告：這些引文格式不一定是100％准確.