APA (7th ed.) Citation

Baschek, B., Kegel, W. H., Traving, G., & Unsold, A. (1975). Problems in stellar atmospheres and envelopes. Berlin: Springer-Verlag.

Chicago Style (17th ed.) Citation

Baschek, B., W. H. Kegel, G. Traving, and Albrecht Unsold. Problems in Stellar Atmospheres and Envelopes. Berlin: Springer-Verlag, 1975.

MLA (9th ed.) Citation

Baschek, B., et al. Problems in Stellar Atmospheres and Envelopes. Berlin: Springer-Verlag, 1975.