Cita APA (7a ed.)
Christian Bär, K. F. Quantum Field Theory on Curved Spacetimes: Concepts and Mathematical Foundations. Springer.
Cita estilo Chicago (17a ed.)
Christian Bär, Klaus Fredenhagen. Quantum Field Theory on Curved Spacetimes: Concepts and Mathematical Foundations. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
Christian Bär, Klaus Fredenhagen. Quantum Field Theory on Curved Spacetimes: Concepts and Mathematical Foundations. Springer.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.