Cita APA (7a ed.)

Jaschek, C., Jaschek, M., & Kucewicz, B. (1964). Southern early B-type stars with Hα emission.

Cita Chicago Style (17a ed.)

Jaschek, Carlos, Mercedes Jaschek, y Boris Kucewicz. Southern Early B-type Stars with Hα Emission. 1964.

Cita MLA (8a ed.)

Jaschek, Carlos, et al. Southern Early B-type Stars with Hα Emission. 1964.