APA (7th ed.) Citation

Buswell, R., Silva, W. L. d., Jones, S., & Dirrenberger, J. (2018). 3D printing using concrete extrusion: A roadmap for research.

Chicago Style (17th ed.) Citation

Buswell, Richard, W.R. Leal de Silva, S.Z Jones, and J. Dirrenberger. 3D Printing Using Concrete Extrusion: A Roadmap for Research. 2018.

MLA (9th ed.) Citation

Buswell, Richard, et al. 3D Printing Using Concrete Extrusion: A Roadmap for Research. 2018.

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