APA (7th ed.) Citation

European Space Agency, Ventura-Traveset, J., & Flament, J. (2006). EGNOS: The European Geostationary Navigation Overlay System : a cornerstone of Galileo. ESA Pub.

Chicago Style (17th ed.) Citation

European Space Agency, Javier Ventura-Traveset, and Javier Flament. EGNOS: The European Geostationary Navigation Overlay System : A Cornerstone of Galileo. Noordwijk, The Netherlands: ESA Pub, 2006.

MLA (9th ed.) Citation

European Space Agency, et al. EGNOS: The European Geostationary Navigation Overlay System : A Cornerstone of Galileo. ESA Pub, 2006.

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