Cita APA (7a ed.)

Bell, P. M. (1971). U.S. National Report, 1967-1971. Fifteenth General Assembly International Union of Geodesy and Geophysics. American Geophysics Union.

Cita Chicago Style (17a ed.)

Bell, Peter M. U.S. National Report, 1967-1971. Fifteenth General Assembly International Union of Geodesy and Geophysics. Washington: American Geophysics Union, 1971.

Cita MLA (9a ed.)

Bell, Peter M. U.S. National Report, 1967-1971. Fifteenth General Assembly International Union of Geodesy and Geophysics. American Geophysics Union, 1971.