Cita APA (7a ed.)

(2009). Initial investigation of operational concept elements for NASA's NextGen-Airportal Project research / Johnathan Lee ... [and others].

Cita Chicago Style (17a ed.)

Initial Investigation of Operational Concept Elements for NASA's NextGen-Airportal Project Research / Johnathan Lee ... [and Others]. 2009.

Cita MLA (9a ed.)

Initial Investigation of Operational Concept Elements for NASA's NextGen-Airportal Project Research / Johnathan Lee ... [and Others]. 2009.