Stahlman, W. d., & Gingerich, O. (1963). Solar planetary longitudes for years -2500 to +2000 by 10-day intervals. The University of Wisconsin.
Cita Chicago Style (17a ed.)Stahlman, William d., y Owen Gingerich. Solar Planetary Longitudes for Years -2500 to +2000 by 10-day Intervals. Madison: The University of Wisconsin, 1963.
Cita MLA (9a ed.)Stahlman, William d., y Owen Gingerich. Solar Planetary Longitudes for Years -2500 to +2000 by 10-day Intervals. The University of Wisconsin, 1963.
Precaución: Estas citas no son 100% exactas.