APA Citation

Barnard, E. E. (1891). On an Early Search for Winnecke's Comet before Perihelion.

Chicago Style Citation

Barnard, E. E. On an Early Search for Winnecke's Comet Before Perihelion. 1891.

MLA Citation

Barnard, E. E. On an Early Search for Winnecke's Comet Before Perihelion. 1891.

Warning: These citations may not always be 100% accurate.