Cita APA (7th ed.)

American Institute of Physics & Institute of Physics (Great Britain). (1984). Classical and quantum gravity. Institute of Physics,.

Cita Chicago (17th ed.)

American Institute of Physics i Institute of Physics (Great Britain). Classical and Quantum Gravity. London, England: Institute of Physics,, 1984.

Cita MLA (8th ed.)

American Institute of Physics i Institute of Physics (Great Britain). Classical and Quantum Gravity. Institute of Physics,, 1984.