Cita APA (7a ed.)

(1973). UBV photometry of large proper motion stars. Observatorio Astronómico.

Cita Chicago Style (17a ed.)

UBV Photometry of Large Proper Motion Stars. La Plata: Observatorio Astronómico, 1973.

Cita MLA (9a ed.)

UBV Photometry of Large Proper Motion Stars. Observatorio Astronómico, 1973.