Cita APA (7a ed.)

Royal Observatory Greenwich. (1872). Results of the magnetical and meteorological observations made at the Royal Observatory, Greenwich, 1871. s.n.

Cita Chicago Style (17a ed.)

Royal Observatory Greenwich. Results of the Magnetical and Meteorological Observations Made at the Royal Observatory, Greenwich, 1871. [S.l.: s.n, 1872.

Cita MLA (9a ed.)

Royal Observatory Greenwich. Results of the Magnetical and Meteorological Observations Made at the Royal Observatory, Greenwich, 1871. s.n, 1872.