APA (7th ed.) Citation

Pedrosa, D. D. R., Teixeira, P., & Esteves, J. S. (2006). Electromagnet and switchboard for slewing crane.

Chicago Style (17th ed.) Citation

Pedrosa, Delfim Duarte Rolo, Patrício Teixeira, and João Sena Esteves. Electromagnet and Switchboard for Slewing Crane. 2006.

MLA (8th ed.) Citation

Pedrosa, Delfim Duarte Rolo, et al. Electromagnet and Switchboard for Slewing Crane. 2006.