APA (7th ed.) Citation

Lui, C. H., Liu, L., Mak, K. F., Flynn, G. W., & Heinz, T. F. (2009). Ultraflat graphene. Nature (London), 462(7271), 339-341. https://doi.org/10.1038/nature08569

Chicago Style (17th ed.) Citation

Lui, Chun Hung, Li Liu, Kin Fai Mak, George W. Flynn, and Tony F. Heinz. "Ultraflat Graphene." Nature (London) 462, no. 7271 (2009): 339-341. https://doi.org/10.1038/nature08569.

MLA (9th ed.) Citation

Lui, Chun Hung, et al. "Ultraflat Graphene." Nature (London), vol. 462, no. 7271, 2009, pp. 339-341, https://doi.org/10.1038/nature08569.