Não informado. Rensselaer Observatory Publications. Rensselaer Polytechnic Institute.
Style de citation Chicago (17e éd.)Não informado. Rensselaer Observatory Publications. Troy, NY: Rensselaer Polytechnic Institute.
Style de citation MLA (8e éd.)Não informado. Rensselaer Observatory Publications. Rensselaer Polytechnic Institute.
Attention : ces citations peuvent ne pas être correctes à 100%.