APA (7th ed.) Citation

Tkachenko, Y. (2006). "Electronic”, "digital” and "virtual” libraries: Notes on terminology.

Chicago Style (17th ed.) Citation

Tkachenko, Yu. "Electronic”, "digital” and "virtual” Libraries: Notes on Terminology. 2006.

MLA (8th ed.) Citation

Tkachenko, Yu. "Electronic”, "digital” and "virtual” Libraries: Notes on Terminology. 2006.

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