APA (7th ed.) Citation

ScienceDirect (Online service), Li, S., & Hopper, J. L. (2021). Twin and family studies of epigenetics. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Shuai Li, and John L. Hopper. Twin and Family Studies of Epigenetics. London: Academic Press, 2021.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Twin and Family Studies of Epigenetics. Academic Press, 2021.

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