APA (7th ed.) Citation

Gill, D., & Elkin, W. L. (1884). Heliometer-determinations of stellar parallax in the Southern hemisphere. Royal Astronomical Soc.

Chicago Style (17th ed.) Citation

Gill, David, and W. L. Elkin. Heliometer-determinations of Stellar Parallax in the Southern Hemisphere. London: Royal Astronomical Soc, 1884.

MLA (9th ed.) Citation

Gill, David, and W. L. Elkin. Heliometer-determinations of Stellar Parallax in the Southern Hemisphere. Royal Astronomical Soc, 1884.