Cita APA (7a ed.)

Beckman, J., & Crivellari, L. (1985). Progress in stellar spectral line formation theory. D. Reidel Publishing Company.

Cita Chicago Style (17a ed.)

Beckman, J.E, y L. Crivellari. Progress in Stellar Spectral Line Formation Theory. Dordrecht: D. Reidel Publishing Company, 1985.

Cita MLA (9a ed.)

Beckman, J.E, y L. Crivellari. Progress in Stellar Spectral Line Formation Theory. D. Reidel Publishing Company, 1985.