Gscheidle, Karl H.; Hardy, Debra; Kulle, Gregory; Bih, Michael & Acevedo, Miguel F. GPS: Rocket. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc228322/. Accessed January 26, 2015.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.