Gaya APA

Liu, X. et al (2009). Direct growth of vertically aligned carbon nanotubes on a planar carbon substrate by thermal chemical vapour deposition . London: Elsevier Ltd..

Gaya MLA

Liu, Xianming. et al. "Direct growth of vertically aligned carbon nanotubes on a planar carbon substrate by thermal chemical vapour deposition". London: Elsevier Ltd., 2009. e-journal.