Cita APA (7th ed.)
Valley, S. L. (1965). Handbook of Geophysics and Space Environments. MacGraw-Hill.
Cita Chicago (17th ed.)
Valley, Shea L. Handbook of Geophysics and Space Environments. New York [usw]: MacGraw-Hill, 1965.
Cita MLA (9th ed.)
Valley, Shea L. Handbook of Geophysics and Space Environments. MacGraw-Hill, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.