Cita APA (7a ed.)

Mehlin, T. G. (1959). Astronomy. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Mehlin, Theodore G. Astronomy. New York: John Wiley & Sons, 1959.

Cita MLA (9a ed.)

Mehlin, Theodore G. Astronomy. John Wiley & Sons, 1959.