Tebbutt, J. (1862). On the desirability of a systematic search for, and observation of variable stars in the Southern Hemisphere. Zenodo.
Cita Chicago (17th ed.)Tebbutt, John. On the Desirability of a Systematic Search for, and Observation of Variable Stars in the Southern Hemisphere. Zenodo, 1862.
Cita MLA (9th ed.)Tebbutt, John. On the Desirability of a Systematic Search for, and Observation of Variable Stars in the Southern Hemisphere. Zenodo, 1862.
Atenció: Aquestes cites poden no estar 100% correctes.