Cita APA (7th ed.)

BARLOW, C., & BRYAN, G. (1946). Elementary mathematical astronomy. University Tutorial Press.

Cita Chicago (17th ed.)

BARLOW, CWC, i G.H BRYAN. Elementary Mathematical Astronomy. London: University Tutorial Press, 1946.

Cita MLA (9th ed.)

BARLOW, CWC, i G.H BRYAN. Elementary Mathematical Astronomy. University Tutorial Press, 1946.