Cita APA (7a ed.)

Sullivan, W. (1961). Assault on the unknown: The International Geophysical Year. McGraw-Hill.

Cita Chicago Style (17a ed.)

Sullivan, Walter. Assault on the Unknown: The International Geophysical Year. New York: McGraw-Hill, 1961.

Cita MLA (9a ed.)

Sullivan, Walter. Assault on the Unknown: The International Geophysical Year. McGraw-Hill, 1961.