APA (7th ed.) Citation

Arago, F., & Barral, J. A. (1854). Astronomie populaire.

Chicago Style (17th ed.) Citation

Arago, F., and J. A. Barral. Astronomie Populaire. Paris, 1854.

MLA (9th ed.) Citation

Arago, F., and J. A. Barral. Astronomie Populaire. 1854.

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