Cita APA (7a ed.)

Abbot, C. (1902). Some recent astronomical events. Government Prinintig Office.

Cita Chicago Style (17a ed.)

Abbot, C.G. Some Recent Astronomical Events. Washington: Government Prinintig Office, 1902.

Cita MLA (9a ed.)

Abbot, C.G. Some Recent Astronomical Events. Government Prinintig Office, 1902.