APA (7th ed.) Citation

Não informado. (2002). Circular of the United States Naval Observatory. U.S. Naval Observatory.

Chicago Style (17th ed.) Citation

Não informado. Circular of the United States Naval Observatory. Washington: U.S. Naval Observatory, 2002.

MLA (8th ed.) Citation

Não informado. Circular of the United States Naval Observatory. U.S. Naval Observatory, 2002.

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