APA (7th ed.) Citation

Liu. Companion Proceedings of The 2019 World Wide Web Conference. Association for Computing Machinery (ACM).

Chicago Style (17th ed.) Citation

Liu. Companion Proceedings of The 2019 World Wide Web Conference. Association for Computing Machinery (ACM).

MLA (9th ed.) Citation

Liu. Companion Proceedings of The 2019 World Wide Web Conference. Association for Computing Machinery (ACM).

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