Cita APA (7a ed.)

(1909). The mean right ascencions and proper motions of 130 stars.

Cita Chicago Style (17a ed.)

The Mean Right Ascencions and Proper Motions of 130 Stars. Pennsylvania, 1909.

Cita MLA (8a ed.)

The Mean Right Ascencions and Proper Motions of 130 Stars. 1909.