Cita APA (7th ed.)

National Research Council (U.S.). Committee on Gravitational Physics & ebrary, Inc. (1999). Gravitational physics: Exploring the structure of space and time. National Academy Press.

Cita Chicago (17th ed.)

National Research Council (U.S.). Committee on Gravitational Physics i Inc ebrary. Gravitational Physics: Exploring the Structure of Space and Time. Washington, DC: National Academy Press, 1999.

Cita MLA (9th ed.)

National Research Council (U.S.). Committee on Gravitational Physics i Inc ebrary. Gravitational Physics: Exploring the Structure of Space and Time. National Academy Press, 1999.