APA (7th ed.) Citation

Zhang, P., Hancock, C., Lau, L., Roberts, G. W., de Ligt, H., & Quan, Y. (2016). Positioning buried utilities in difficult environments.

Chicago Style (17th ed.) Citation

Zhang, Penghe, Craig Hancock, Lawrence Lau, Gethin Wyn Roberts, Huib de Ligt, and Yiming Quan. Positioning Buried Utilities in Difficult Environments. 2016.

MLA (9th ed.) Citation

Zhang, Penghe, et al. Positioning Buried Utilities in Difficult Environments. 2016.