Cita APA (7a ed.)

Seidelmann, K. (1993). Explanatory Supplement to the Astronomical Almanac. University Science Books.

Cita Chicago Style (17a ed.)

Seidelmann, Kenneth. Explanatory Supplement to the Astronomical Almanac. Sausalito: University Science Books, 1993.

Cita MLA (9a ed.)

Seidelmann, Kenneth. Explanatory Supplement to the Astronomical Almanac. University Science Books, 1993.