APA (7th ed.) Citation

(2002). Planetary fact sheets. National Space Science Data Center.

Chicago Style (17th ed.) Citation

Planetary Fact Sheets. [Greenbelt, MD]: National Space Science Data Center, 2002.

MLA (9th ed.) Citation

Planetary Fact Sheets. National Space Science Data Center, 2002.

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