APA Style
Committee on Gravitational Physics, National Research Council. (1999).
9680 .
Washington:
NATIONAL ACADEMY PRESS.
Chicago Style
Committee on Gravitational Physics, National Research Council.
9680.
Washington:
NATIONAL ACADEMY PRESS,
1999.
Text.
MLA Style
Committee on Gravitational Physics, National Research Council.
9680.
Washington:
NATIONAL ACADEMY PRESS,
1999.
Text.
Turabian Style
Committee on Gravitational Physics, National Research Council.
9680.
Washington:
NATIONAL ACADEMY PRESS,
1999.
Print.