Cita APA (7a ed.)

Westfall, J. E., & Sheehan, W. (2014). Celestial shadows: Eclipses, transits, and occultations. Springer.

Cita Chicago Style (17a ed.)

Westfall, John Edward, y William Sheehan. Celestial Shadows: Eclipses, Transits, and Occultations. New York: Springer, 2014.

Cita MLA (8a ed.)

Westfall, John Edward, y William Sheehan. Celestial Shadows: Eclipses, Transits, and Occultations. Springer, 2014.