Seidelmann, P. K. (1992). Explanatory Supplement to the Astronomical Almanac. University Science Book.
Cita Chicago Style (17a ed.)Seidelmann, P. Kenneth. Explanatory Supplement to the Astronomical Almanac. Sausalito: University Science Book, 1992.
Cita MLA (9a ed.)Seidelmann, P. Kenneth. Explanatory Supplement to the Astronomical Almanac. University Science Book, 1992.
Precaución: Estas citas no son 100% exactas.