Cita APA (7th ed.)

Kar, J. M. Astronomy (3rd ed.). Globe Library.

Cita Chicago (17th ed.)

Kar, J. M. Astronomy. 3rd ed. Calcutta: Globe Library.

Cita MLA (9th ed.)

Kar, J. M. Astronomy. 3rd ed. Globe Library.

Atenció: Aquestes cites poden no estar 100% correctes.