Cita APA (7a ed.)

Jaschek, M., Jaschek, C., & Feinstein, A. (1960). Note on the Ca II Emission in Cepheids.

Cita Chicago Style (17a ed.)

Jaschek, Mercedes, Carlos Jaschek, y Alejandro Feinstein. Note on the Ca II Emission in Cepheids. 1960.

Cita MLA (8a ed.)

Jaschek, Mercedes, et al. Note on the Ca II Emission in Cepheids. 1960.