APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.