SpringerLink (Online service), Papantonopoulos, L., Siopsis, G., Tsamis, N., & Calcagni, G. (2013). Quantum Gravity and Quantum Cosmology. Springer Berlin Heidelberg Imprint Springer.
Cita Chicago (17th ed.)SpringerLink (Online service), Lefteris Papantonopoulos, George Siopsis, Nikos Tsamis, i Gianluca Calcagni. Quantum Gravity and Quantum Cosmology. Berlin Heidelberg: Springer Berlin Heidelberg Imprint Springer, 2013.
Cita MLA (8th ed.)SpringerLink (Online service), et al. Quantum Gravity and Quantum Cosmology. Springer Berlin Heidelberg Imprint Springer, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.