APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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