Cita APA (7a ed.)

Jaschek, C., Jaschek, M., & Malaroda, S. (1969). The spectra of some Be stars.

Cita Chicago Style (17a ed.)

Jaschek, Carlos, Mercedes Jaschek, y S. Malaroda. The Spectra of Some Be Stars. 1969.

Cita MLA (8a ed.)

Jaschek, Carlos, et al. The Spectra of Some Be Stars. 1969.