APA (7th ed.) Citation

Unsöld, A., Baschek, B., Smith, R. C., & Hein, C. A. (1983). The New Cosmos (3rd rev. and enlarged edition.). Springer New York.

Chicago Style (17th ed.) Citation

Unsöld, Albrecht, Bodo Baschek, R. C. Smith, and Carl A. Hein. The New Cosmos. 3rd rev. and enlarged edition. New York, NY: Springer New York, 1983.

MLA (9th ed.) Citation

Unsöld, Albrecht, et al. The New Cosmos. 3rd rev. and enlarged edition. Springer New York, 1983.