Lunar ephemeris [and] selenographic coordinates of the earth and sun for 1971 and 1972
by Ann D. Hartung.
APA Citation
Hartung, A. D. (1972). Lunar ephemeris [and] selenographic coordinates of the earth and sun for 1971 and 1972. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the National Technical Information Service, Springfield, Va.].
MLA Citation
Hartung, Ann D. Lunar Ephemeris [and] Selenographic Coordinates of the Earth And Sun for 1971 And 1972. Washington: Scientific and Technical Information Office, National Aeronautics and Space Administration; [for sale by the National Technical Information Service, Springfield, Va.], 1972.
Warning: These citations may not always be complete (especially for serials).