Cita APA (7th ed.)

Pérez-Mercader, J., Solà, J., & Verdaguer, E. (1992). Quantum gravity and cosmology. World Scientific.

Cita Chicago (17th ed.)

Pérez-Mercader, Juan, Joan Solà, i Enric Verdaguer. Quantum Gravity and Cosmology. Singapur: World Scientific, 1992.

Cita MLA (9th ed.)

Pérez-Mercader, Juan, et al. Quantum Gravity and Cosmology. World Scientific, 1992.