Cita APA

Arny, T. T. (2000). Explorations: An introduction to astronomy. McGraw-Hil.

Chicago Style Citation

Arny, Thomas T. Explorations: An Introduction to Astronomy. McGraw-Hil, 2000.

Cita MLA

Arny, Thomas T. Explorations: An Introduction to Astronomy. McGraw-Hil, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.