Cita APA

Shapley, H. (1920). A Note on the Simple Device for Increasing a Photographic Power of Large Telescopes.

Chicago Style Citation

Shapley, Harlow. A Note On the Simple Device for Increasing a Photographic Power of Large Telescopes. 1920.

Cita MLA

Shapley, Harlow. A Note On the Simple Device for Increasing a Photographic Power of Large Telescopes. 1920.

Atenció: Aquestes cites poden no estar 100% correctes.