APA (7th ed.) Citation

Kropschot, R. H. (1968). Technology of liquid helium. Superintendent of Documents, U.S. Government Print. Off.

Chicago Style (17th ed.) Citation

Kropschot, Richard H. Technology of Liquid Helium. Washington, D.C: Superintendent of Documents, U.S. Government Print. Off, 1968.

MLA (9th ed.) Citation

Kropschot, Richard H. Technology of Liquid Helium. Superintendent of Documents, U.S. Government Print. Off, 1968.

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