APA (7th ed.) Citation

Cincinnati Observatory (Ohio) & International Astronomical Union. (1948). Minor planets for ..., opposition ephemerides. Cincinnati Observatory.

Chicago Style (17th ed.) Citation

Cincinnati Observatory (Ohio) and International Astronomical Union. Minor Planets for ..., Opposition Ephemerides. [Cincinnati]: Cincinnati Observatory, 1948.

MLA (9th ed.) Citation

Cincinnati Observatory (Ohio) and International Astronomical Union. Minor Planets for ..., Opposition Ephemerides. Cincinnati Observatory, 1948.

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