Cita APA (7th ed.)
Russell, H. N. (1911). Determinations of stellar parallax.
Cita Chicago (17th ed.)
Russell, Henry Norris. Determinations of Stellar Parallax. Washington, 1911.
Cita MLA (9th ed.)
Russell, Henry Norris. Determinations of Stellar Parallax. 1911.
Atenció: Aquestes cites poden no estar 100% correctes.