Citação norma APA

Perrine, C. D. (1916). On Some Relations Between the Proper Motions, Radial Velocities, and Magnitudes of Stars of Classes B and A.

Citação norma Chicago

Perrine, C. D. On Some Relations Between the Proper Motions, Radial Velocities, and Magnitudes of Stars of Classes B and A. 1916.

Citação norma MLA

Perrine, C. D. On Some Relations Between the Proper Motions, Radial Velocities, and Magnitudes of Stars of Classes B and A. 1916.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.