APA (7th ed.) Citation

Yi, G. Why are Some Recommendation Systems Preferred? National Research University Higher School of Economics.

Chicago Style (17th ed.) Citation

Yi, Gaofeng. Why Are Some Recommendation Systems Preferred? National Research University Higher School of Economics.

MLA (9th ed.) Citation

Yi, Gaofeng. Why Are Some Recommendation Systems Preferred? National Research University Higher School of Economics.

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