APA (7th ed.) Citation

Mah, C. L. (2011). Eratosaster .. The Astronomical Journal, 155(1), 12.

Chicago Style (17th ed.) Citation

Mah, Christopher L. "Eratosaster .." The Astronomical Journal 155, no. 1 (2011): 12.

MLA (9th ed.) Citation

Mah, Christopher L. "Eratosaster .." The Astronomical Journal, vol. 155, no. 1, 2011, p. 12.