APA (7th ed.) Citation

L, M. (2018). On causal estimation using $U$-statistics. Oxford University Press.

Chicago Style (17th ed.) Citation

L, Mao. On Causal Estimation Using $U$-statistics. Oxford University Press, 2018.

MLA (9th ed.) Citation

L, Mao. On Causal Estimation Using $U$-statistics. Oxford University Press, 2018.

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