Hamid, S. E. (1969). Second-order planetary theory. Smithsonian Institution, Astrophysical Observatory.
Chicago Style (17th ed.) CitationHamid, S. E. Second-order Planetary Theory. Cambridge, Mass.: Smithsonian Institution, Astrophysical Observatory, 1969.
MLA (9th ed.) CitationHamid, S. E. Second-order Planetary Theory. Smithsonian Institution, Astrophysical Observatory, 1969.
Warning: These citations may not always be 100% accurate.