Cita APA

Arny, T. T. (2002). Explorations: An introduction to astronomy. McGraw-Hill.

Chicago Style Citation

Arny, Thomas T. Explorations: An Introduction to Astronomy. McGraw-Hill, 2002.

Cita MLA

Arny, Thomas T. Explorations: An Introduction to Astronomy. McGraw-Hill, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.