Cita APA (7a ed.)

Oriti, R. A., & Starbird, W. B. (1977). Introduction to astronomy. Glencoe.

Cita Chicago Style (17a ed.)

Oriti, Ronald A., y William B. Starbird. Introduction to Astronomy. Encino, Calif.: Glencoe, 1977.

Cita MLA (9a ed.)

Oriti, Ronald A., y William B. Starbird. Introduction to Astronomy. Glencoe, 1977.