APA (7th ed.) Citation

Pedrosa, D. D. R., Teixeira, P., Crespo, J., Costa, D., & Esteves, J. S. (2008). Foldable slewing crane.

Chicago Style (17th ed.) Citation

Pedrosa, Delfim Duarte Rolo, Patrício Teixeira, Joel Crespo, Daniel Costa, and João Sena Esteves. Foldable Slewing Crane. 2008.

MLA (8th ed.) Citation

Pedrosa, Delfim Duarte Rolo, et al. Foldable Slewing Crane. 2008.