APA (7th ed.) Citation

Magalhães, F., Cunha, A., Caetano, E., Butz, C., & Goldack, A. (2006). Output-only modal identification of lively footbridges.

Chicago Style (17th ed.) Citation

Magalhães, F., A. Cunha, E. Caetano, C. Butz, and A. Goldack. Output-only Modal Identification of Lively Footbridges. 2006.

MLA (8th ed.) Citation

Magalhães, F., et al. Output-only Modal Identification of Lively Footbridges. 2006.