APA (7th ed.) Citation

Sheldon, C. S. (1978). United States and Soviet progress in space: Summary data.

Chicago Style (17th ed.) Citation

Sheldon, Charles S. United States and Soviet Progress in Space: Summary Data. 1978.

MLA (9th ed.) Citation

Sheldon, Charles S. United States and Soviet Progress in Space: Summary Data. 1978.

Warning: These citations may not always be 100% accurate.