APA (7th ed.) Citation

National Science Foundation (Washington D.C.). (1973). Solar eclipse 1973: Bulletin. 2. National Science Foundation.

Chicago Style (17th ed.) Citation

National Science Foundation (Washington D.C.). Solar Eclipse 1973: Bulletin. 2. [Washington: National Science Foundation, 1973.

MLA (9th ed.) Citation

National Science Foundation (Washington D.C.). Solar Eclipse 1973: Bulletin. 2. National Science Foundation, 1973.

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