MLA

Freitas, João; Teixeira, António; Dias, Miguel Sales; Silva, Samuel, et al. An Introduction to Silent Speech Interfaces. Springer International Publishing, 2017.

APA

Freitas, S., Dias, M. Sales, Silva, S., & Teixeira, A. (2017). An Introduction to Silent Speech Interfaces. Springer International Publishing.

Chicago

Freitas, João; Teixeira, António; Dias, Miguel Sales; Silva, Samuel, Miguel Sales Dias, Samuel Silva, and António Teixeira. An Introduction to Silent Speech Interfaces. : Springer International Publishing, 2017.