APA (7th ed.) Citation

Tkachuk, V. V., & Choliy, Y. (2013). On the comparison of fundamental numerical ephemerides.

Chicago Style (17th ed.) Citation

Tkachuk, V. V., and Ya Choliy. On the Comparison of Fundamental Numerical Ephemerides. 2013.

MLA (8th ed.) Citation

Tkachuk, V. V., and Ya Choliy. On the Comparison of Fundamental Numerical Ephemerides. 2013.

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