Citazione Stile APA (7a Edizione)
Jekeli, C., Bastos, L., & Fernandes, J. (2005). Gravity, Geoid and Space Missions: GGSM 2004 IAG International Symposium Porto, Portugal August 30 September 3, 2004. Springer Berlin Heidelberg. https://doi.org/10.1007/b138327
Citazione stile Chigago Style (17a edizione)
Jekeli, Christopher, Luisa Bastos, e Joana Fernandes. Gravity, Geoid and Space Missions: GGSM 2004 IAG International Symposium Porto, Portugal August 30 September 3, 2004. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138327.
Citatione MLA (9a ed.)
Jekeli, Christopher, et al. Gravity, Geoid and Space Missions: GGSM 2004 IAG International Symposium Porto, Portugal August 30 September 3, 2004. Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138327.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.